Not a lot of people know that one of the most talented and ruthless Mahjong players in the city is a young high school boy. Kei is a teenager of few words, but his observation skills, unwavering will and experience in the game allows him to survive in a world full of powerful, rich and dangerous characters.
| Actor | Role |
|---|---|
 Goki MaedaKei | Kei |
 AkaneAmina | Amina |
 Hidekazu IchinoseNot listed | Not listed |
 Satoshi IchijoNot listed | Not listed |
 Ayu HigashiNot listed | Not listed |
 Miyabi KoteyamaNot listed | Not listed |
 Yasukaze MotomiyaNot listed | Not listed |