It was published by Shogakukan in the magazine Weekly Shōnen Sunday from September 2002 to July 2004, with its chapters collected in eight tankōbon volumes.

The series follows Seiji Sawamura, who one day finds his right hand replaced with a girl named Midori Kasugano and his attempts to return her to her real body.

A few classmates idolize him; one (Midori Kasugano from a different school) shyly loves him from afar; but everybody else is just afraid of him, which has made it impossible for him to find a girlfriend.

[7][8][9] An anime television series adaptation by Pierrot aired on tvk and other UHF stations from April 4 to June 27, 2004.

[10][11][12] The series was directed by Tsuneo Kobayashi, with Yuko Kusumoto providing the character designs and Yoshihisa Hirano composing the music.