Ikebukuro West Gate Park

Ikebukuro West Gate Park (池袋ウエストゲートパーク), usually referred to by its initials IWGP, is a series of urban mystery novels by Ira Ishida. It was adapted into a very successful TV series directed by Tsutsumi Yukihiko, and then a manga, released by Digital Manga Publishing in English.

Plot
The series revolves around 20-year-old Makoto, who frequently gets involved in highly dangerous situations, usually against his own judgment. Along for the ride are his best buddies Shun, Masa, and Takashi, the enigmatic leader of a local gang in Ikebukuro.