A young high school boy named Hazumu Osaragi declares his love to classmate and close friend Yasuna Kamiizumi, but she quickly rejects him. Dejected, Hazumu climbs Mt. Kashima and is killed when an alien spacecraftaccidentally crash lands on him. To rectify this, the alien in the ship named Hitoshi Sora brings Hazumu back to life, but inadvertently regenerates him as a female right down to the DNA level.
The Anime ends with Hazumu choosing Yasuna in order to help cure her worsening sight problem. Afterwards, Yasuna breaks up with Hazumu. The story continues in a direct-to-video sequel where more things happen.