Hiroyuki Yoshino
is an action manga series written by Hiroyuki Yoshino and illustrated by Kenetsu Satō. The manga series is currently serialized by Akita Shoten and is published in Japan in the "seinen"/"shōnen" manga "Champion Red" magazine and the chapters collected in tankōbon. The series was first released on December 20, 2006 and is continuing as of 2013.