A CODA (child of deaf adult) student born with a gift for music crash lands at an unfamiliar place after time traveling through a suspicious music shop. There, he forms the band Watermelon Sugar with other mysterious youths.
Ryeoun
Ha Eun-gyeol
Choi Hyun-wook
Ha Yi-chan
Seorina
Choi Se-gyeong / On Eun-yu
Shin Eun-soo
Yoon Chung-ah
Choi Won-young
Eun-gyeol's Father
Seo Young-hee
Eun-gyeol's Mother
Jung Sang-hoon
Master
Cheon Ho-jin
Grandpa Viva
Goh Doo-shim
Go Yang-hee
Kim Joo-ryoung
Im Ji-mi
Bong Jae-hyun
Ha Eun-ho
Koo Jun-hoe
Koo Jun-hyeong
Ahn Do-gyu
Oh Ma-joo
Yoon Jae-chan
Kang Hyun-yul
Lee Ha-min
Lee Si-guk
Lee Su-chan
No Se-bum
Kim Tae-woo
Yoon Gun-hyung
Kwon Do-hyung
Yoon Ju-yeop
Lee Soo-min
Yoon Sang-a
Lee Suk-hyeong
Jung Bal-san
