Cast 8

Lee Jung-jae

Jung-jae (70 episodes)

Kim Hee-seon

Hee-seon (70 episodes)

Lee Min-woo

Min-woo (70 episodes)

Lee Hyo-jeong

Young-woong (70 episodes)

Kim Nam-ju

Music teacher (70 episodes)

Kim So-yeon

(70 episodes)

Ahn Yeon-hong

(70 episodes)

Cho Hyoung-ki

(70 episodes)