Tsuwabaki, a normal school boy, accidentally switches his drink with that of a man with dog ears. It turns him into a small sheep at night, and his only hope for a normal life again is from a chosen girl who will find and catch the 7 Stardrops. The catch is that he can not tell her who he really is.

A manga adaption of the Flyable Heart game illustrated by Shōko Iwami. The Ootoriryouran Academy is a highly prestigious private school well known for it's high academic standards, ruled over by two separate student groups - the Ryouran Association and the Student Council. Katsuragi Shou is the Academy's newest student. He is greeted by fireworks and celebrations, but soon finds that the academy was oversubscribed. The male dorms are already fully occupied, and the only place left for him to stay is the all female Ryouran Dormitory.

Based on the PS2 version.