Twenty-Five Twenty-One

Twenty-Five Twenty-One (Korean: 스물다섯 스물하나; RR: Seumuldaseot Seumulhana) is a 2022 South Korean television series directed by Jung Ji-hyun and starring Kim Tae-ri, Nam Joo-hyuk, Bona, Choi Hyun-wook and Lee Joo-myung. The series depicts the romantic lives of five characters spanning from the year of 1998 to 2021.[2] It premiered on tvN on February 12, 2022, and aired every Saturday and Sunday at 21:10 (KST) for 16 episodes.[3] It is available for streaming on Netflix.[4][5]

Twenty-Five Twenty-One
Promotional poster
Hangul스물다섯 스물하나
Revised RomanizationSeumuldaseot Seumulhana
Genre
Developed by
Written byKwon Do-eun
Directed byJung Ji-hyun
Starring
Music byLim Ha-young
Country of originSouth Korea
Original languageKorean
No. of episodes16 (list of episodes)
Production
Executive producerKim Seon-tae
Producers
  • Yoon Ha-rim
  • Heo Seok-won
  • Park Hun-joo
Camera setupSingle-camera
Running time70–75 minutes
Production companyHwa&Dam Pictures
Distributor
Release
Original networktvN
Picture format1080i (HDTV)
Audio formatDolby Digital
Original releaseFebruary 12 (2022-02-12) –
April 3, 2022 (2022-04-03)

The series was a commercial hit and became one of the highest-rated Korean dramas in cable television history.[6]

Plot

In a time when dreams seem out of reach, a teen fencer pursues big ambitions and meets a hardworking young man who seeks to rebuild his life.[7] At ages 22 and 18, they say each other's names for the first time, and at ages 25 and 21, they fall in love.[8]

In 1998, Na Hee-do (Kim Tae-ri) is a member of the school fencing team at Seonjung Girls' High School, but due to the IMF crisis, the team is disbanded. To continue pursuing her passion, she transfers to Taeyang High School and later manages to become a member of the National Fencing Team. Baek Yi-jin’s (Nam Joo-hyuk) family goes from "riches to rags" and are separated due to the financial crisis. He is forced to take up several part-time jobs and later becomes a sports reporter.

In present day, Kim Min-chae (Choi Myung-bin), Na Hee-do's daughter, quits ballet and "runs away" to her grandma's house. During her stay, she comes across her mother's diary, which the story is then told through.

Cast and characters

Main
A fencing prodigy, who has yet to reach her fullest potential. She idolizes Ko Yu-rim and transfers to her high school specifically to train with her.[10][11]
A hardworking young man whose chaebol family went bankrupt during the IMF crisis. As such, he moves out on his own in an attempt to rebuild his life despite debt collectors knocking on his door all the time.[11]
  • Bona as Ko Yu-rim/Julia Ko (고유림)
    • Kyung Da-eun as young Ko Yu-rim
A high-school fencing gold medalist whom Hee-do idolizes, and her greatest rival.[11][12]
Na Hee-do's classmate and the most popular boy in the school.[11][13]
The class president and Moon Ji-woong's childhood friend.[11][14]

People around Na Hee-do
  • Seo Jae-hee as Shin Jae-kyung (신재경)
Na Hee-do's mother, and the main anchor of the UBS 9 o'clock news.[15]
  • Baek Seok-gwang as Na Seong-jin (나성진)
Na Hee-do's father. Primarily appearing in flashbacks, he was shown to be the key player in Na Hee-do's interest in fencing.
Na Hee-do's daughter. She is a ballet dancer who quit and ran away to her grandmother's home, later finding her mother's diary which chronicles her teenage years.[9] The identity of her father is left unknown throughout the show.

People around Baek Yi-jin
  • Park Yoon-hee as Baek Seong-hak (백성학)
Baek Yi-jin's father, who is in debt due to the IMF crisis.[17]
  • Kim Young-sun as Baek Yi-jin's mother[18]
  • Park Jun-pyo as Baek Yi-jin's maternal uncle
He is the one who accepted Yi-jin's family when they had no place to go after bankruptcy.[19]
  • Kim Nam-i as Baek Yi-jin's paternal aunt
  • Choi Min-young as Baek Yi-hyun (백이현)
Baek Yi-jin's younger brother.[21]

Family of the other main characters
  • So Hee-jung as Ji Seung-wan's mother
Baek Yi-jin's landlady.[22]
  • Heo Jin-na as Ko Yu-rim's mother[23]
She runs a small restaurant.
  • Kim Dong-gyun as Ko Yu-rim's father
A professional delivery driver.

Taeyang High School's fencing club
The coach of the fencing team who enjoyed many honors as a gold medalist in fencing. She once accepted bribes and still feels betrayed by her friend Shin Jae-kyung who covered the story as a field reporter.[24]
  • Jo Bo-young as Lee Ye-ji (이예지)
1st year high school student.[25]
  • Lee Ye-jin as Park Han-sol (박한솔)
1st year high school student.
  • Moon Woo-bin as Kang Ji-soo (강지수)
3rd year high school student.
  • Bang Eun-jung as Lee Da-seul (이다슬)
3rd year high school student.[26]

Others
  • Lee Chan-jong as Seo Jung-hyeok (서정혁)
UBS reporter, Baek Yi-jin's senior.

Special appearance
  • Lee Joong-ok as Na Hee-do's coach at the fencing club of her old high school[27]
  • Jung Yu-min as Hwang Bo-mi (황보미), a student at Seonjung Girls' High School.[28]
  • Jang Jun-hyun as Director of Han River C&T, an old acquaintance of Baek Yi-jin.
  • Choi Tae-joon as Jeong Ho-jin (정호진), a national fencing representative.[29]
  • Yoon Joo-man as Park PD, a UBS producer.[30]
  • Kim Jun-ho as Kim Jun-ho (김준호), Na Hee-do's senior in the national fencing team.[31][32]
  • Kim Nam-hee as a mobile store salesperson[33]
  • Jeon Soo-hwan as Han River C&T interviewer
  • Song Jae-jae as Han River C&T interview host
  • Hong Eun-jung as Han River C&T job applicant
  • Goo Ja-geon as Han River C&T job applicant
  • Choi Gyo-sik as local resident
  • Son Young-soon as old woman on the bus
  • Ok Joo-ri as owner of a local shop
  • Jeon Se-yong as man who resembles Baek Yi-jin's father

Episodes
No.TitleDirected byWritten byOriginal release date
1"Episode 1"
Transcription: "Je-il-hwe" (Korean: 제1회)		Jung Ji-hyunKwon Do-eunFebruary 12, 2022 (2022-02-12)
The episode begins in 2021 when retired fencing athlete Na Hee-do's 15-year-old daughter Kim Min-chae returns to her grandmother's house and chances upon her mother's diary written back in 1998. As Min-chae begins to read one of the diary entries, the time flashes back to 1998, when South Korea is grappling with the impact of the IMF financial crisis. At that point of time, then-18-year-old fencing prodigy Na Hee-do receives a shocking news that her school will permanently dissolve the fencing club due to financial difficulties caused by the IMF incident. As a result, Hee-do resolves to get herself transferred to Taeyang High, where her idol athele and national gold medalist Ko Yu-rim is studying and training in. During her attempts to execute her plans, Hee-do first met 22-year-old news vendor Baek Yi-jin, with whom she will eventually befriend after a few occasions despite their rocky start.
2"Episode 2"
Transcription: "Je-i-hwe" (Korean: 제2회)		Jung Ji-hyunKwon Do-eunFebruary 13, 2022 (2022-02-13)
On her first day to Taeyang High, Hee-do befriends her two new classmates -- Ji Seung-wan and Moon Ji-woong -- shortly before she finally gets to meet Yu-rim at the fencing club. On their first meeting however, Yu-rim displays a cold attitude and it greatly offended and surprises Hee-do. Not only that, she accidentally eavesdrops on Yi-jin's confrontation with his father's debtors, who came to demand for their undue pay and the whereabouts of Yi-jin's father after Yi-jin's chaebol family suffers from bankruptcy. Seeing this, Hee-do finds a way to cheer Yi-jin up, which helps forge a deeper bond between them.
3"Episode 3"
Transcription: "Je-sam-hwe" (Korean: 제3회)		Jung Ji-hyunKwon Do-eunFebruary 19, 2022 (2022-02-19)
Hee-do receives news during her training session that she is qualified to go to the national team selection tournament, which motivates her to approach her coach Yang Chan-mi to give her extra training lessons. On one night, when Yu-rim and Hee-do were staying back for night training at school, they were unreasonably chided and taunted by an envious senior, who forces them to apologise; only Yu-rim did so. Disappointed with Yu-rim's actions and her prior behaviour towards her, Hee-do puts away her mementos of Yu-rim's tournament feats and under the username "Ryder37", Hee-do chats with her online friend "Injeolmi" to let out her depressed feelings, and Injeolmi consoles her. Meanwhile, Yi-jin unexpectedly reunites with his father, who misses him and thus came back to visit him.
4"Episode 4"
Transcription: "Je-sa-hwe" (Korean: 제4회)		Jung Ji-hyunKwon Do-eunFebruary 20, 2022 (2022-02-20)
In exchange for dancing lessons (required for her extra training), Hee-do agrees to Ji-woong's request to send a drink to Yu-rim, whom Ji-woong has a crush on; the errand did not give Yu-rim a better opinion of Hee-do. On the way home, Hee-do happens to come across a drunk Yi-jin sleeping outside the house of his landlord (who is also Seung-wan's mother). Earlier, Yi-jin went for a job interview but he did not pass it, given he has only a high school diploma and did not complete his university degree. Out of disappointment, he went out to drink and ended up the way Hee-do has seen. Seeing this, Hee-do covers Yi-jin with a blanket and puts up a sign for passers-by to not disturb his sleep. The later part of the episode focuses on the growing relationship among Yi-jin, Hee-do, Seung-wan, Yu-rim and Ji-woong (save for the bad blood between Yu-rim and Hee-do) at Seung-wan's house.
5"Episode 5"
Transcription: "Je-o-hwe" (Korean: 제5회)		Jung Ji-hyunKwon Do-eunFebruary 26, 2022 (2022-02-26)
On the day of her qualifying tournament, Hee-do puts up a tremendous and exciting performance, and she finally enters the national team as she wished, which brought joy to her coach but chagrin to Yu-rim. Just when she was about to share the good news with Yi-jin, Hee-do discovers that Yi-jin has gone missing, and her efforts to find him failed. It turns out that Yi-jin, in an attempt to hide from his father's creditors, went to the seaside town where his uncle lived. This hiding lasts for a year. During his time away, Hee-do and Yi-jin find comfort in each other's payphone voice messages.
6"Episode 6"
Transcription: "Je-yuk-hwe" (Korean: 제6회)		Jung Ji-hyunKwon Do-eunFebruary 27, 2022 (2022-02-27)
The training days at the national team's training center did not help improve the deteriorating bad relationship between Hee-do and Yu-rim, who began to view each other as arch-rivals. Hee-do unexpectedly reunites with Yi-jin, who became a sports reporter after a successful interview. The day of Hee-do's tournament finals at Gyeongju finally arrives, but a few hours before the start of the finals, Hee-do discovers that her fencing equipment (which Yi-jin gifted her) was mistakenly taken by a Japanese participant, and she has to rush to the train station, where she manages to retrieve her fencing bag right before the Japanese athlete's train departure. Even though she does not have enough time to go back to the stadium, Yi-jin manages to help her avert the crisis and allows her to reach back on time.
7"Episode 7"
Transcription: "Je-chil-hwe" (Korean: 제7회)		Jung Ji-hyunKwon Do-eunMarch 5, 2022 (2022-03-05)
After a tense battle, Hee-do narrowly defeats Yu-rim with a score of 15-14, and she wins a gold medal. However, the media backs Yu-rim's complaint that the results were manipulated, and it causes Hee-do to suffer backlash from the public. Her depression is further aggravated when her mother and famous news anchor Shin Jae-kyung labels her gold medal as "stolen". Yi-jin is desperate to prove that Hee-do won the gold medal fairly and manages to convince the tournament's referee to give an interview just before the referee is about to leave for France on a flight. As Hee-do quietly went on the run and ate at a restaurant, she chances upon Yi-jin's exclusive report and she releases her emotions and cry as a group of men kindly consoles her and congratulates her on her victory.
8"Episode 8"
Transcription: "Je-pal-hwe" (Korean: 제8회)		Jung Ji-hyunKwon Do-eunMarch 6, 2022 (2022-03-06)
Yi-jin, Seung-wan, and Ji-woong manage to rescue Hee-do after she was mistakenly locked inside the school's rooftop storeroom, but she was left confused and jealous over Yi-jin's recorded confession towards his ex-girlfriend. Yi-jin meets Yu-rim the next day at her mother's restaurant, where Yu-rim expresses her regret over the unexpected backlash on Hee-do, but it did not help amend the cracks in her relationship with Hee-do, as the two of them reluctantly help Ji-woong and Seung-wan to clean Yi-jin's rented room and move the belongings. Hee-do then started noticing her growing feelings for Yi-jin as she started getting flustered over everything he does for her. Meanwhile, back at Yu-rim's home, her mother was scammed of her money, which causes the poor financial situation of her family to get even worse than before. After receiving a three-month suspension from future tournaments and rejection of her pension application, Yu-rim secretly cries at a swimming pool. Hee-do (who got the same penalty) could not help but pity her as she accidentally witnesses the sorry sight of Yu-rim. After exchanging words with her online friend "Injeolmi" about what she saw earlier and receiving Injeolmi's advice, Hee-do, without knowing that Injeolmi was actually Ko Yu-rim herself, agrees to Yu-rim's request to meet her at a park, and each carrying a yellow rose to recognise each other.
9"Episode 9"
Transcription: "Je-ku-hwe" (Korean: 제9회)		Jung Ji-hyunKwon Do-eunMarch 12, 2022 (2022-03-12)
Yu-rim went into hiding after she saw Hee-do, whom she realises was her best friend "Ryder37", and gives Yi-jin her yellow rose, which made Hee-do mistake him as "Injeolmi" and gave her confidence as she boldly confesses her feelings for him. Yi-jin quickly clarifies to Hee-do that he is not Injeolmi and states it was a mistaken identity, and immediately, Hee-do becomes embarrassed and quickly left the park as Yu-rim watches while in hiding; Yu-rim is equally feeling shame and confusion due to her being reminded of her past treatment of Hee-do. The next day, Yu-rim begins to behave unusually towards Hee-do, who was confused over the sudden change in her behaviour. When the school fencing team gathers for a meal at Yu-rim's mother's restaurant, Yu-rim's mother kindly consoles Hee-do for what she gone through and praises her for her victory. Yi-jin arrives at Hee-do's school the next day with an assignment to film a sports documentary of Hee-do and Yu-rim; Hee-do's objections at this project causes Yu-rim to be more guilty towards Hee-do. Yijin confronts Hee-do who seems to have been avoiding him after the "Injeolmi" incident and she then confesses to him again that she likes him and these feelings she has for him has been consuming her for a while. Meanwhile, After enduring it for another day, Yu-rim finally comes clean to Hee-do that she is Injeolmi and apologises to her, and Hee-do forgives her and then they start to become friends. Yi-jin spend his following days filming their training sessions and his relationship with Hee-do becomes closer.
10"Episode 10"
Transcription: "Je-sip-hwe" (Korean: 제10회)		Jung Ji-hyunKwon Do-eunMarch 13, 2022 (2022-03-13)
Yi-jin struggles with his senior colleagues' disapproval of his academic background, and during a heart-to-heart conversation with his senior Seo Jung-hyuk, Yi-jin expresses his hope to prove that high school graduates can also succeed in their careers as reporters. His depressed feelings were later reassured by a phone call from his father. On that same night, Yu-rim and Ji-woong began to grow closer as she confides to him her family's massive poverty, and both of them help Seung-wan move her belongings in school. The next day, Yi-jin gets an approval from Chan-mi to bring both Yu-rim and Hee-do to the seaside under the pretext of filming. The trio were joined by Ji-woong and Seung-wan, and the five of them had a good time having fun on the beach, and gathering at Yi-jin's uncle's house near the ocean.
11"Episode 11"
Transcription: "Je-sip-il-hwe" (Korean: 제11회)		Jung Ji-hyunKwon Do-eunMarch 19, 2022 (2022-03-19)
The day after the five friends returned from their beach trip together, Hee-do finally asks Yu-rim why she disliked her from the start. Yu-rim reveals that she actually met Hee-do before in a children's fencing match and lost greatly to her, which made her feel resolved to become better than Hee-do, whom she considers her greatest rival from that day onwards (Hee-do has no memory of the event), and she feels disappointed at Hee-do for not achieving much when she met her again on Hee-do's first day to school, which was why she dislikes her at first. Hee-do and Yi-jin later went out together for dinner, and they grew closer and closer to each other. The following day starts with Hee-do promising to go with her mother to fix her late father's chairs, but Jae-kyung fails to keep the promise due to her workload. Hee-do seeks solace from Yi-jin over this incident and he comforted her, as she feels disappointed towards her mother, in addition to her resentment towards Jae-kyung's absence from her father's deathbed and her not talking about her father again after his passing, which led to Hee-do assuming her mother does not miss her father at all. Meanwhile, Ji-woong feels disappointed as Yu-rim cannot be present at the school music festival to watch his performance, which gives Yi-jin an idea to bring Yu-rim and Hee-do away from their training center with a excuse, and bring them to watch Ji-woong's performance. The episode ends with Jae-kyung finally bringing her daughter to her husband's grave, where she finally admits that she misses her husband all along and reconciles with Hee-do.
12"Episode 12"
Transcription: "Je-sip-i-hwe" (Korean: 제12회)		Jung Ji-hyunKwon Do-eunMarch 20, 2022 (2022-03-20)
Seung-wan reports to the police after she witnesses an abusive teacher unreasonably subjecting Ji-woong to corporal punishment, which was legally banned in schools, but the police were nonchalant towards the teacher's acts, and Seung-wan exposes it to the public on her radio show. After the teacher demands Seung-wan to apologise or risk transferring to another school with a tainted record, Seung-wan decides to drop out of school and her mother unconditionally supports her, even going as far as to going to the school to condemn the teacher for his mistreatment of Ji-woong and Seung-wan. Hee-do's teammate Lee Ye-ji expresses her intention to quit fencing, but Chan-mi reprimands her and asks her to stay until she reaches the quarter-finals; Hee-do and Yu-rim helps to train her in the following days up till the match, in which Ye-ji reaches the quarter-finals as Chan-mi hopes. Despite having reached the quarter-finals, Ye-ji bravely tells Chan-mi that she wants to quit in order to pursue a new passion, and it finally convinces Chan-mi to support her decision. Both Hee-do and Yu-rim helped both Seung-wan and Ye-ji to celebrate the new beginnings of their lives. All the while, aside from his remarkable advancement in his career, Yi-jin and Hee-do are getting more and more drawn to each other as their relationship begins to take a new turn.
13"Episode 13"
Transcription: "Je-sip-sam-hwe" (Korean: 제13회)		Jung Ji-hyunKwon Do-eunMarch 26, 2022 (2022-03-26)
As Yi-jin's career takes a turn for the better, his relationship with Hee-do poses a greater risk to him because as a reporter, he was not allowed to have a personal relationship with the subject of his news reports, which may potentially bring harm to both Hee-do and himself in the future. This possibility made him even more stressed and hoping to keep a distance from Hee-do. Hee-do herself was also not faring well emotionally, since on the first day of the new millennium, she kissed Yi-jin and kept going to him to confess her feelings for him but initially he kept pushing her away so as not to hurt her. Yi-jin later admitted his own feelings as well and agrees to try the romantic love with Hee-do as he decides to forgo his determination to keep a distance from her.
14"Episode 14"
Transcription: "Je-sip-sa-hwe" (Korean: 제14회)		Jung Ji-hyunKwon Do-eunMarch 27, 2022 (2022-03-27)
Hee-do and Yi-jin announce that they are dating to their friends. Yu-rim later becomes a Russian citizen in order to resolve her family's difficult financial situation, which was caused by her father's need to compensate the family of a pedestrian he accidentally hits his truck with, as well as the previous unpaid debts her family still owed. This was reported exclusively by Yi-jin, sparking nationwide outrage and condemnation much to Yi-jin's guilt. Misery lingers on the final days Yu-rim spends with her family and friends in South Korea. On the day of Yu-rim's flight, Ji-woong finally confesses to Yu-rim his love for her and his resolve to wait for her no matter how long they were separated, which touches Yu-rim and they both embraced each other before Yu-rim's departure.
15"Episode 15"
Transcription: "Je-sip-o-hwe" (Korean: 제15회)		Jung Ji-hyunKwon Do-eunApril 2, 2022 (2022-04-02)
Hee-do and Yi-jin celebrated the new millennium together as they entered ages 21 and 25 years old respectively. They make time to go on dates as they both enjoy their romantic relationship and kept loving each other despite their busy schedules. Meanwhile, Hee-do and Yu-rim continued to contact each other, but they gradually stopped doing so as a result of the rumours and fake news that falsely painted the two friends as bitter rivals who clashed over Yu-rim's "traitorous" betrayal of her own country and people. The girls reunite in the finals of an intense international tournament, and despite Hee-do's victory, their sincere friendship attracts media attention and deeply touched the audiences. Yi-jin and Hee-do gradually drift apart from each other as a result of Yi-jin's increased workload and his task of reporting the September 11 attacks which slowly affected their relationship as he was no longer able to communicate with Hee-do. After initially traveling to New York City to temporarily cover the attacks, Yi-jin applies for a permanent reporter position in the city.
16"Episode 16"
Transcription: "Je-sip-yuk-hwe" (Korean: 제16회)		Jung Ji-hyunKwon Do-eunApril 3, 2022 (2022-04-03)
Hee-do and Yi-jin painfully broke up but they continued to show support for one another despite their romantic relationship being over. The group eventually found success in their respective pathways of life; Yi-jin is promoted to a news anchor while Hee-do goes on to win two more gold medals before retiring in 2009. Yu-rim retires in 2007 and returns to South Korea and opens a fencing club. Seung-wan becomes a variety show producer after completing college, while Ji-woong becomes a fashion designer and marries Yu-rim. The timeline returns to 2021 after Min-chae finishes reading her mother's diary. Min-chae becomes inspired by her mother's passion from her teenage years and tells Hee-do she decides to take up ballet again, and Hee-do, feeling impressed with her daughter's re-determination, begins to reminisce about her teenage years as an epilogue scene shows an adult Yi-jin answering a password question about his first love; his answer was "Na Hee-do".

Production

Casting

On September 7, 2021, the main cast of the series was confirmed as Kim Tae-ri, Nam Joo-hyuk, Bona, Choi Hyun-wook, and Lee Joo-myung. It is Kim Tae-ri's first appearance on the small screen after a hiatus of three years. She last starred in Mr. Sunshine in 2018.[11]

Filming

Filming of the series began on September 7, 2021.[34] The series is set in Ahyeon-dong, Mapo District, Seoul and is filmed in Jeonju, Seohak-dong, Jeonju Hanok Village, Jeonju National University of Education's dormitory alley, and the National Intangible Heritage Center.[35][36]

COVID-19 infections
See also: Impact of the COVID-19 pandemic on television § South Korea, and COVID-19 pandemic in South Korea

On March 2, 2022, it was confirmed that actress Kim Tae-ri had been infected with COVID-19 since February 26, 2022, causing filming to be halted, with filming expected to resume after she recovers. The broadcast continued as usual.[37] On March 3, 2022, it was confirmed that actor Choi Hyun-wook had tested positive for COVID-19. Both Kim and Choi went into isolation in accordance with the guidelines of the Quarantine Authority.[38]

Release

The series premiered on February 12, 2022, and aired every Saturday and Sunday at 21:10 (KST).[39]

Original soundtrack
Twenty-Five Twenty-One OST Special
Soundtrack album by
Various Artist
Released2022
GenreSoundtrack
Language
Label

Part 1
Released on February 13, 2022[40]
No.TitleLyricsMusicArtistLength
1."Starlight" (스타라이트)Oh DongjunOh DongjunTaeil (NCT)3:45
2."Starlight" (Inst.) Oh Dongjun 3:45
Total length:7:30

Part 2
Released on February 19, 2022 (2022-02-19)[40]
No.TitleLyricsMusicArtistLength
1."I'll Shine on You to Dazzle" (눈이 부시도록 너를 비춰줄게)Black FrequencyBlack FrequencyBae Ki-sung3:15
2."I'll Shine on You to Dazzle" (Inst.) Black Frequency 3:15
Total length:6:30

Part 3
Released on February 20, 2022 (2022-02-20)[40]
No.TitleLyricsMusicArtistLength
1."Very, Slowly" (아주, 천천히)Jayci yuccaPATEKO, Jayci yuccaBIBI4:21
2."Very, Slowly" (Inst.) PATEKO, Jayci yucca 4:21
Total length:8:42

Part 4
Released on February 26, 2022 (2022-02-26)[40]
No.TitleLyricsMusicArtistLength
1."Your Existence" (존재만으로)MaO, WonsteinNaivWonstein4:11
2."Your Existence" (Inst.) Naiv 4:11
Total length:8:22

Part 5
Released on February 27, 2022 (2022-02-27)[40]
No.TitleLyricsMusicArtistLength
1."Go!"Oh DongjunOh DongjunDK (Seventeen)3:30
2."Go!" (Inst.) Oh Dongjun 3:30
Total length:7:00

Part 6
Released on March 6, 2022 (2022-03-06)[40]
No.TitleLyricsMusicArtistLength
1."Stardust Love Song"Yoon Young-junYoon Young-junJihyo (Twice)4:11
2."Stardust Love Song" (Inst.) Yoon Young-jun 4:11
Total length:8:22

Part 7
Released on March 13, 2022 (2022-03-13)[40]
No.TitleLyricsMusicArtistLength
1."With"Noh Kyung-boNoh Kyung-boKim Tae-ri, Nam Joo-hyuk, Bona, Choi Hyun-wook, Lee Joo-myung4:30
2."With" (Inst.) Noh Kyung-bo 4:30
Total length:9:00

Part 8
Released on March 20, 2022 (2022-03-20)[40]
No.TitleLyricsMusicArtistLength
1."Free" (가보자)Jung Gu-hyun, AseulJung Gu-hyunXydo3:46
2."Free" (Inst.) Jung Gu-hyun 3:46
Total length:7:32

Part 9
Released on March 27, 2022 (2022-03-27)[40]
No.TitleLyricsMusicArtistLength
1."Your World" (너의 세상)Lee In-youngKang Hyunmin, WYOONGSeol Hoseung (SURL)3:27
2."Your World" (Inst.) Kang Hyunmin, WYOONG 3:27
Total length:6:54

Chart performance
Title Year Peak chart position Remarks
KOR
Gaon
[41]		 Hot
[42]
"Starlight" (Taeil) 2022 3028 Part 1
"Very, Slowly" (아주, 천천히) (BIBI) 4843 Part 3
"Your Existence" (존재만으로) (Wonstein) 1619 Part 4
"Go!" (DK) 11788 Part 5
"Stardust Love Song" (Jihyo) 10371 Part 6
"With" (Main cast) 4054 Part 7
"Free" (Xydo) 10193 Part 8

Reception

Review and ranking

Since the broadcast began, Twenty-Five Twenty-One and its male and female lead maintained the top spot in drama and actor's popularity rankings conducted by Good Data Corporation for 8 consecutive weeks until the end.[43] The series also placed first in viewership ratings for all its 16 episodes, in both the Metropolitan Area and nationwide.[44] Additionally, it has featured in Netflix's "Global Top 10" (non-English edition), a weekly list of the most-watched international Netflix series, for ten weeks in a row (as of the week ending May 1, 2022).[45][46] The drama's success was attributed to its "retro-sentimental" vibe that was presented through the use of props, fashion, and locations that were able to invoke nostalgia to the generation that experienced the 1990s. It was also stated that it had succeeded in gaining the empathy and sympathy of viewers as it depicts the struggles of the IMF period in Korea, which viewers connected with the ongoing COVID-19 pandemic.[47]

Pierce Conran, in his review for the South China Morning Post, stated that the show had "an appealing theme, a story that is well told, great acting and clever staging and editing".[48] Rhian Daly of NME described the drama as "a nostalgic dive into the memories of youth and the value of dreams."[49]

Commercial impact

The popularity of the series led to the elevated recognition for actress Kim Tae-ri, who was stated to have emerged as the new "Nation's First Love."[50] The series was also notably popular among K-pop idols, with several artists like BTS' Jungkook, Aespa's Karina, Red Velvet's Yeri, Girls' Generation's Sooyoung, Blackpink's Lisa, among others, sharing that they have watched it and recommending it to their fans.[51][52] Actor Gong Yoo also revealed that he watched the series Twenty-Five Twenty-One when he recommended his fans to watch My Liberation Notes.[53]

Following the drama's conclusion, the Ministry of Culture, Sports and Tourism launched a travel product (itineraries alongside various accommodation and rental vouchers) touring the filming locations of the series, which includes the Jeonju Hanok Village, locations surrounding the Seohakdong Art Village, and the Hanbyeokgul Tunnel where the drama was shot.[54] Retail company 7-Eleven reported that sales of its bakery brand Breadum had increased three-fold following the appearance of its pastry products on the show. The company then announced on April 7 that Breadum has launched two additional products in collaboration with the drama.[55][56]

Investment company Daehan Securities has credited the success and high topicality of Twenty Five Twenty One alongside the recovery of television commercials for the 12% sales growth of CJ ENM, the parent company of broadcast channel tvN, during the first quarter of 2022.[57]

With 2022 marking the renewed popularity of retro style in South Korea, Twenty Five Twenty One was stated to have greatly contributed to the "retro craze".[58]

Following the appearance of the popular manhwa Full House in the show, its comic book set saw a sales growth of 1,044% in February 2022 (when the series started airing) which was followed by a 24.3% sales increase in March 2022 compared to the previous month.[58]

In the Philippines, it was reported that the drama, with part of its plotline focused on fencing, led to an increased interest on the sport due to the series. [59]

Criticism

Despite its popularity and commercial success, Twenty-Five Twenty-One became subject to a few controversies. Netizens debated about the series' main plot line which involves romance between a legal adult and a character that is initially introduced as a minor, although a poll conducted on website Nate came out with 77% of over 3,000 respondents stating that there is no problem with the drama's love line.[60] The drama also faced criticism for a scene in its 15th episode portraying a news coverage of the September 11 attacks, depicting the female lead smiling at her boyfriend giving live coverage of the incident, which some viewers deemed "inappropriate".[61][62]

Viewership
Twenty-Five Twenty-One : South Korea viewers per episode (millions)
SeasonEpisode numberAverage
12345678910111213141516
11.5372.0651.9992.1651.9882.5092.6202.8572.8702.8872.9192.8282.7962.9052.6393.0472.539
Source: Audience measurement performed nationwide by Nielsen Korea[63][64]
Average TV viewership ratings
Ep. Original broadcast date Average audience share
(Nielsen Korea)[63]
Nationwide Seoul
1 February 12, 2022 6.370% (1st) 7.799% (1st)
2 February 13, 2022 8.010% (1st) 8.867% (1st)
3 February 19, 2022 8.182% (1st) 8.981% (1st)
4 February 20, 2022 8.787% (1st) 9.972% (1st)
5 February 26, 2022 7.956% (1st) 8.960% (1st)
6 February 27, 2022 9.817% (1st) 11.065% (1st)
7 March 5, 2022 9.718% (1st) 10.380% (1st)
8 March 6, 2022 10.900% (1st) 11.734% (1st)
9 March 12, 2022 10.662% (1st) 12.043% (1st)
10 March 13, 2022 10.879% (1st) 12.660% (1st)
11 March 19, 2022 10.887% (1st) 12.410% (1st)
12 March 20, 2022 10.675% (1st) 12.528% (1st)
13 March 26, 2022 9.927% (1st) 11.001% (1st)
14 March 27, 2022 10.308% (1st) 11.451% (1st)
15 April 2, 2022 9.592% (1st) 10.302% (1st)
16 April 3, 2022 11.513% (1st) 12.636% (1st)
Average 9.636% 10.799%
  • In the table above, the blue numbers represent the lowest ratings and the red numbers represent the highest ratings.
  • This drama aired on a cable channel/pay TV which normally has a relatively smaller audience compared to free-to-air TV/public broadcasters (KBS, SBS, MBC and EBS).

Accolades
Award ceremony Year Category Nominee Result Ref.
Baeksang Arts Awards 2022 Best Drama Twenty-Five Twenty-One Pending [65][66]
Best Actress – Television Kim Tae-ri Pending
Best New Actor – Television Choi Hyun-wook Pending

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  40. OST albums on Melon:
  41. Peak chart positions on Gaon Digital Chart:
  42. Peak chart positions on Billboard K-pop 100:
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  58. "서점가도 레트로 열풍... 만화책 '풀하우스' 판매 1천% 증가" [Retro craze in bookstores... 1000% increase in sales of comic book 'Full House']. 뉴스핌 (in Korean). April 25, 2022. Retrieved April 25, 2022.
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