A boy falls to his death at school, but Ok Chan-mi does not believe that her twin brother, Park Won-seok, committed suicide. Chan-mi transfers to her brother's school, Yongtan High, and meets Ji Soo-heon, who witnessed her brother's death. A "hero," who avenges bullied students, appears at Yongtan High. Chan-mi speculates that it may be connected to her brother and starts looking for this hero.
Episode 1
Episode 2
Episode 3
Episode 4
Episode 5
Episode 6
Episode 7
Episode 8
Episode 9
Episode 10
Episode 11
Episode 12
Minato's Laundromat
Scandal: A Shocking and Wrongful Incident
Oz
Get Real
Captivating the King
Teenage Bounty Hunters
Extracurricular
Just An Encore
Dark Season
Smart Guy
Edgemont
Kkavyanjali
Reunion
The Debut
Beverly Hills, 90210
Alias
No One Will Miss Us
Don't Disturb My Study
Stand Up!!
Secret Playlist