A high-teen mystery thriller about a close relationship between teenage girls in a harsher survival competition than entrance examinations.
as Yoo Je-yi
as Woo Seul-gi
as Joo Ye-ri
as Choi Gyeong
as Yoo Tae-joon
as Jo Ah-ra
as Nam Byeong-jin
as Beom-soo
as Woo Do-hyeok
as Homeroom Teacher
as Kwon Hee-yoon
as Park Byeong-hui
as Yoo Je-na
as Principal
as Joo Ye-ri Mother's
as Kim Shan-young
