東立出版社
, is a Japanese manga written and illustrated by Yukiko Sumiyoshi. The manga was serialized in Enterbrain's manga magazine "Comic B's-Log". The individual chapters were collected into three "bound volumes",which were published by Enterbrain between March 1, 2007 and May 1, 2008. It was licensed in English by Tokyopop, which released the manga as an omnibus on October 12, 2010. The manga is also licensed Australasia by Madman Entertainment and in Taiwan by Tong Li Publishing.