류세일
Jang Ki-woo
하정훈
Lee Hyun-jae
이정찬
Kim Jeong-ha
정시완
Park Seong-won
정재운
Kim Ji-tae
박홍준
Choi Young-moon
이하준
Lim Hyun-jong
배연희
Jeong-ha's Grandma
윤수진
Hyun-jong's Mother
임수현
이찬양
Yoon-tae
Saison 1
8 épisodes
A disgraced teacher finds comfort in an anonymous chat partner, unaware the troubled student behind the messages is growing closer to him.
