Slum Online — Hiroshi Sakurazaka

Etsuro Sakagami is a college freshman who simply drifts through life, but when he logs on to the combat MMO Versus Town, he becomes Tetsuo, a karate champ on his way to becoming the most powerful martial artist around. While his relationship with new classmate Fumiko goes nowhere, Etsuro spends his days and nights online in search of the invincible Ganker Jack. Drifting between the virtual and the real, will Etsuro ever be ready to face his most formidable opponent?