我是大哥大 

Kyō Kara Ore Wa!! (今日から俺は!!?, trans. Today, It's My Turn!!) is a Japanese shōnen manga by Hiroyuki Nishimori. The series was initially published in Shōnen Sunday Super running monthly from 1988 volume 9 through 1990 volume 38. The series was then promoted to the weekly magazine Shōnen Sunday from 1990 volume 40 through 1997 volume 47. The first manga tankōbon was published on D...