A College student who is also a hustler for finding ways to make money and other forms of excitement and adventures, he got involved in the SCM distribution with his partner in crime Shinnosuke Tachikawa, and has soon got on board with the slave trading game where he would gather up other SCM users and beat them in a game of wits with Eia as his accomplice and turn them into his own slaves . For a brief time he becomes Ryuuou's slave after being outwitted in a game, but later on was freed when he was send by the latter to duel an unknown SCM user who turned out to be Eia in disguise who later on put on the SCM and has beaten him in a game.
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