Green Green is an anime series, adapted from an H-game and a light novel of the same name. It is set in Kanenone Gakuen ("Sound of the Bell Academy"), an isolated all-boys Boarding School at the start of the story. However, the Powers That Be send them a busload of girls to make it co-ed. The first girl off the bus is Midori Chitose, who pounces on Ordinary High School Student Yuusuke Takazaki saying she's in love with him. Yuusuke has no idea who Midori is, but Midori thinks they were lovers in a past life.