Ahn Sol-bin

as Kim Si-eun (2 episodes)

as Kim Ha-yeong (2 episodes)

as Self (2 episodes)

as R (11 episodes)

as Hyun-ji (12 episodes)

as Self - Various Characters (20 episodes)

as Min Jung

as Jung Eun-Byu (16 episodes)

as Sae Ro-yi's Classmate (1 episode)

as Soopia (6 episodes)

as Self (1 episode)

as Self (1 episode)

as Lee Soo Ah (1 episode)

as Bong Cheon-Ji (40 episodes)

as Kim Min-Jung (10 episodes)

as Self (1 episode)

as "R" (10 episodes)

as Nam Soon-Ji (40 episodes)

as Nara (4 episodes)

as Lee Yoo-Jin (12 episodes)