Official website: https://www.tving.com/contents/P001708373
Casts
Sehun
Go Yoo
Cho Jun-young
Go Joon Hee
Jang Yeo-bin
Han So Yeon
Song Jae-rim
Dr. Go
Jung Yoo-jin
Han So Yeon (adult)
Lee Seung-joon
Go Yoo's father
Park Eun-hye
Go Yoo's mother
Jeong Hye-seon
Joon Hee's grandmother
