Tetsuya Mariko

At some point beating and ravaging others becomes a routine pastime when two kids go on a rampage. Taira picks his target of men and goes for broke, while Kitahara puts down his camera long enough to instead go after women. There is enough blood shed during the course of one night to paint a mural of red for the whole city to see. (imdb)

Following the manga series and the subsequent television serial of the same name, and featuring the same cast, a young and relatively inexperienced man comes across a woman during his working day and sparks fly. (imdb)