Kyō Kara Ore Wa!! (今日から俺は!!, "Starting Today, It's My Turn!!") is a Japanese manga series written and illustrated by Hiroyuki Nishimori. The manga was initially published in Shogakukan's Shōnen Sunday Zōkan running monthly from September 1988 to August 1990. The series was then transferred to Weekly Shōnen Sunday, being serialized from September 1990 to November 1997.