Violent father Moo-jin, whose family is everything. Mother So-yeon left because she couldn't stand the violence. Hoon, who loves both his father and mother, is forced to make a choice and leaves, but eventually remains alone and enters his world.
| Actor | Role |
|---|---|
 Ahn Ji-hoHoon | Hoon |
 Ahn Nae-sangMu-jin | Mu-jin |
 Yun Yoo-sunSo-yeon | So-yeon |
 Uhm Ji-sungByeong-tae | Byeong-tae |
 No Tae-yeobGi-cheol | Gi-cheol |
 Shin Se-hwiYeon-hee | Yeon-hee |
 Kim Joong-kiTeacher | Teacher |
 Gu Bon-jinMath | Math |
 Park Eun-youngByeong-tae's mother | Byeong-tae's mother |