Game on - oumasai

Shuichi Saihara is a trainee detective.
Kokichi Ouma is the notorious gang leader of D.I.C.E.
When teenagers begin to get murdered in downtown Tokyo, and D.I.C.E is pinned with the blame, Shuichi's and Kokichi's paths cross to catch the true serial killer behind the gruesome murders and prove D.I.C.E's innocence.