Cast 11
Kim Kap-soo
Lee Kyu-Ho (16 episodes)
Park Se-wan
Kim Shi-Eun (16 episodes)
Jang Dong-yoon
Kwon Seung-Chan (16 episodes)
Lee Zoo-young
Park Hye-Jin (16 episodes)
Joo Hae-eun
Yang Na-Young (16 episodes)
Shin Do-hyun
Lee Ye-Ji (16 episodes)
Jang Seong-beom
Han Dong-Hee (16 episodes)
Park Soo-young
Vice principal (16 episodes)
Kim Sun-young
Park Shi-Young (16 episodes)
Lee You-mi
Kim Do-Yeon (16 episodes)
Hong Seung-hee
Kim Joo Hyun [First grader] (16 episodes)
Directing 1
PH
Park Hyeon-seok
Director (16 episodes)