Bus Gamer

"When Toki, Nobuto and Kazuo are hired to play the "Biz" game, company secrets and insane amounts of money collide in a frenzied competition that starts out as an innovative way to win cash. But as the game goes on, the players are ushered into a world filled with mystery ... deceit ... and murder. Suddenly they realize what is truly at stake-- their very lives!"
(Source: Tokyopop)