Overview
A boy travels back in time to bully the bully that bullied him.
Cast
- Park Hyun-jun as Yeon-woo
- Go Seung-chan as Su-hyun
- Lee Joon as Su-hyun's Friend 1
- Lim Joong-hyun as Su-hyun's Friend 2
- Kim Kwang-hyun as Teacher
- Im Eon-seok as Extra 1
- Lee Jeong-in as Extra 2