Midori Days is a Japanese manga series by Kazurou Inoue. It was published by Shogakukan in the magazine Weekly Shōnen Sunday from September 2002 to July 2004 and has been collected in eight tankōbon volumes. It is licensed in English in North America by Viz Media. 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.