ウルトラジャンプ
is a Japanese manga series written and illustrated by Shizuru Hayashiya. The series is set in an all-girls school with sword-fighting at the center of the story. It was originally published by ASCII Media Works in "Dengeki Daioh" between November 2003 and May 2008. It restarted in Shueisha's "Ultra Jump" in August 2008 and continued until July 2013. The chapters are collected into 18 "tankōbon" volumes in Japan. Seven Seas Entertainment licensed the manga for release in English. A sequel manga, "Hayate × Blade 2", began serialization in the September 2013 issue of "Ultra Jump". Three drama CDs based on the manga were released in Japan by Frontier Works in collaboration with Geneon between March 2006 and May 2008.