I. I. Introduction
Twenty-Five Twenty-One (Seumuldaseot Seumulhana) is an ongoing 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. It premiered on tvN on February 12, 2022 and airs every Saturday and Sunday at 21:10 (KST). It is also available for streaming on Netflix.
II. Synopsis
The story is set in 1998 and tells the stories of youth who find new direction and growth after having their dreams taken away. Two people first meet when they are 22 and 18 years old and fall in love years later when they turn 25 and 21.
Na Hee Do is a member of her high school fencing team. Due to the South Korean financial crisis, the high school fencing team gets disbanded. Getting through all the difficulties, she becomes a member of the national fencing team.
The South Korean financial crisis also causes Baek Yi Jin’s father's business to go bankrupt. This leads to a life change for Baek Yi Jin, from living the life of a wealthy person to a poor person. While studying, he works part-time jobs like delivering newspapers. Later, he becomes a sports reporter for a broadcasting network.
II. III. Trailer
III. IV. OSTs
IV. V. Viewership
Average TV viewership ratings
| 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 | ||
| 15 | April 2, 2022 | ||
| 16 | April 3, 2022 |
V. VI. Reception
Since the broadcast began, the series has maintained the top spot in the popularity rankings for 6 consecutive weeks. As of March 21, the series also placed first in viewership ratings 12 consecutive times, in both the Metropolitan Area and nationally. Additionally, it has, as of the week ending March 20, featured in Netflix's "Global Top 10" (non-English edition), a weekly list of the most-watched international Netflix series, for four weeks in a row.
