Episode 2
Show: Twenty Five Twenty One --> Season: 1 - Season 1
AirDate: 2/13/2022
Runtime: 75
Voting: 9 (2)

Overview: Though taken aback by Ko Yu-rim's cold attitude, Hee-do gives it her best in their first face-off. More of Back Yi-jin's situation comes into focus.
Shin Ga-eun
Jang Chae-hee
Lim Yong-soon
Security guard
Kang Hak-soo
Loen Hotel employee
Park Bu-keon
Mr. Baek's ex-employee
Hyeon Jin
Taeyang High School teacher
Ma Jeong-pil
Taeyang High School faculty member
Moon Woo-bin
Kang Ji-soo
Bang Eun-jeong
Lee Da-seul
Ok Joo-ri
Ahyeon Supermarket owner
Jung Chung-gu
Myeongjin Book Rentals owner
Bae Seong-il
Mr. Baek's ex-employee
Ok Ye-rin
Na Hee-do (young)
Kyung Da-eun
Ko Yu-rim (young)
Kim Bum-joon
Ji-woong's friend
Jo Nam-hee
Taeyang High School headmaster