Character Name : Baek Sung Gi (School's top dog)

Original Name : 이정

Gender : Male

Character Name : Jung Han-Soo

Original Name : 안재모

Gender : Male

Character Name : Han Min Joo (Tomboy Boxer)

Original Name : 윤은혜

Gender : Female

Character Name : Kim Seon-mi

Original Name : 현영

Gender : Female

Character Name : Ko Min-sik

Original Name : 정준하

Gender : Male

Character Name : Han-soo's brother

Original Name : 천명훈

Gender : Male

Character Name : Sung-gi's friend

Original Name : 박효준

Gender : Male

Character Name : Kang Hae-soo

Original Name : 박슬기

Gender : Female

Character Name :

Original Name : 윤문식

Gender : Male

Character Name : Min-ju's mother

Original Name : 김을동

Gender : Female