character - Eun Soo-hyeon

character - Self

character - Go Hye-ran

character - Herself

character - Cha Yoon-hee

character - Hwang Tae-hee

character - Cheon Ji-ae

character - Oh Ji-Sun

character - Hyun-Soo

character - Young-wook

character - Yerin

character - Song Kyung-rin

character - Music teacher

character - Host