Episode 16
Show: Twenty Five Twenty One --> Season: 1 - Season 1
AirDate: 4/3/2022
Runtime: 90
Voting: 9 (2)

Overview: In an emotionally charged exchange, Hee-do and Yi-jin confront the state of their relationship. Hee-do accidentally leaves her diary on a bus.
Kang Hoon
Baek Yi-hyun (adult)
Jung Chung-gu
Myeongjin Book Rentals owner
Park Ki-deok
Lee Gi-hun
Kwon Dan-a
National team fencer
Park Se-in
Han Min-jung
Kang Moon-kyung
UBS director 2009
Park Bin
UBS Network staff
Park Bo-bae
UBS Network staff
Kim Nam-hee
Cellphone store employee