The mouse bit the cat S01 E11

Yoon Bo-ra (as Lee Bong-Hui) Kwak Dong-yeon (as Park Geon) Bae Seul-ki (as Chae Bin) Lee Jae-jin (as Yoo Dae-Chi) Exy (as Sae Rim) Jo Yeon-woo (as Vice-principal) Moon Won-ju (as Kang Tae-San) Bae Jin-woong (as Gae Bok) Han Jung-soo (as Cafeteria Manager) Han So-eun (as Partner)

school childhood friends student based on webcomic or webtoon teenager