A lovestruck teen plans to win the school heartthrob by going from curly to straight hair — until a new transfer student changes everything.
Park Se-ri
Han Yun-seok
Kim Hyeon
Baek Seong-rae
Ko In-jeong
Ma Sol-ji
Bang Ha-young
Jung Da-wool
Park Hong-il
Bok-hee
Jang-mi
Teacher
Sang-chul
Park Hye-ri
Seok-jin
Corner Shop Owner
Cafe Owner
Cafe Owner
Perm Man
Hair Salon Customer
Student
