ウルトラジャンプ
"Gingitsune" was first published as a one-shot manga by Sayori Ochiai back in March 2008 to June 2008 in Shueisha's "Ultra Jump" magazine. It was then green-lit into a full manga series by the author with its first chapter published in June 2009, compiling it into 15 volumes. The manga went on hiatus in February 2017.