Character Name : Oh Se-jin

Original Name : 고소영

Gender : Female

Character Name : Detective Yang Na-sun

Original Name : 강성진

Gender : Male

Character Name : Yu-yeon

Original Name : 장희진

Gender : Female

Character Name : Jung-hong

Original Name : 박하선

Gender : Female

Character Name : woman who committed suicide

Original Name : 김하은

Gender : Male

Character Name :

Original Name : 김동욱

Gender : Male

Character Name : Subway

Original Name : 笛木優子

Gender : Female