Yosuke Kubozuka

In an alternate Japan, territorial street gangs form opposing factions collectively known as the Tokyo Tribes. The simmering tension between them is about to boil over into all-out war.

In a fancy split-level condo in Tokyo's Roppongi nightlife district, four women and four men gather from midnight to 5 am. They've all paid to be there (men more than women), and they have only one thing in common--they seek anonymous sex. Using no names, they're known only by their types: freeter (temp or part-time worker), mild-mannered salaryman, duplicitous OL ...