"Whoever fights monsters should see to it that in the process he does not become a monster."
A boy travels back in time to bully the bully that bullied him.
Park Hyun-jun
Yeon-woo
Go Seung-chan
Su-hyun
Lee Joon
Su-hyun's Friend 1
Lim Joong-hyun
Su-hyun's Friend 2
Kim Kwang-hyun
Teacher
Im Eon-seok
Extra 1
Lee Jeong-in
Extra 2
Daniel Lee
Director
Choi Min-ji
Director of Operations
Kim Min-seo
Editorial Staff
Park Seo-yeon
Manager of Operations
FlickList VIP
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