Season 1
S1.E1 ∙ Senior YearS1.E2 ∙ Booyang: Family Support, LevitationS1.E3 ∙ 1+1S1.E4 ∙ The SecretS1.E5 ∙ RecallS1.E6 ∙ BungaemanS1.E7 ∙ The StrangerS1.E8 ∙ BlackS1.E9 ∙ HumanistsS1.E10 ∙ The MonsterS1.E11 ∙ RomanticistS1.E12 ∙ PartnersS1.E13 ∙ Jang JuwonS1.E14 ∙ The IdiotS1.E15 ∙ N.T.D.P.S1.E16 ∙ The Man BetweenS1.E17 ∙ AwakeningS1.E18 ∙ South and NorthS1.E19 ∙ Final BattleS1.E20 ∙ Graduation Day