Togainu no Chi - Chayamachi, Suguro Nitroplus

The Igura: a deadly battle game where players stake their lives in the ruined city of Toshima. In a post-apocalyptic Japan where the underworld rules the day, Akira is placed in jail for murder. He's given a chance at freedom if he can win the game. Whether he finds victory, death, or even love, he will be in for the fight of his life! Based on the ground-breaking bishonen game!

(Source: Tokyopop)

Togainu no Chi had six volumes published in English by Tokyopop from January 13, 2009 to November 30, 2010, before the publisher became defunct.