Touhai: Ura Rate Mahjong Touhai Roku

Summary

Money, women, organs. Kei, a high school boy, frequents the underground mahjong parlor teeming with desires, earning him the moniker 'K of Ice' in the underworld due to his cold-hearted strategy and stylish gameplay. Rumors also circulate that he keeps a girl at his home.

(Source: Pony Canyon)