Male celebs play make-believe as high schoolers, welcoming star transfer students every week and engaging in battles of witty humor and slapstick.
Other Name: 아는 형님
Released: Dec. 05, 2015
Genres: Comedy, Reality
Cast: Kang Ho-dong, Kim Hee-chul, Kim Young-cheol, Lee Sang-min, Lee Su-geun, Min Kyung-hoon, Seo Jang-hoon