Created by: 이손음, 이손음
A disgraced teacher finds comfort in an anonymous chat partner, unaware the troubled student behind the messages is growing closer to him.
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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
Choi Yoon-tae 
