真島ヒロ
is a shōnen manga by Hiro Mashima. It was serialized in "Comic Bom Bom" from January 2006 to March 2006 issues. In the June 2007 issue the "second stage" started, this second part ended in the September issue. The manga was collected into two tankobon volumes. Kodansha USA has licensed the series for North American release and published the first volume on May 13, 2014 and the second on August 12, 2014.