Episode 5 S01 E05

Minho (as Oh Kyung Hwi) Lee Yu-bi (as Han Na Bi) Kim Bo-mi (as Oh Yi do) Kim Hee-chan (as Jang Seul Gi) Choi Seo Hyuk (as Baek Jin Wook) Yoo Joon-hong (as Ma Ki Ho) Choo Soo Bin (as Woo Hee) Min-seo (as Da Eun) Lee Sang-hoon (as [Teacher]) Yoo Min-joo Lee Ga Won Jo Young-jin Hong Sung Sook Guk Ji Yong

surgeon time travel high school bullying student