Kurohime.

魔砲使い黒姫

Kurohime (Japanese: 魔砲使い黒姫, Hepburn: Mahō Tsukai Kurohime; "Magic User Kurohime") is a Japanese manga series written and illustrated by Masanori Katakura. The series debuted in Shueisha's Monthly Shōnen Jump Extra in 2000, before running in the main Monthly Shōnen Jump magazine from 2003 to 2007. It was subsequently moved to the online Jump Square in 2007, where it concluded in 2011.