Aa! Megami-sama! Movie

For centuries, a god named Celestin has been imprisoned on the moon for betraying the kingdom of Yggdrasil. Released by the fairy Morgan Le Fey, Celestin travels to Earth to reunite with his former pupil, the goddess Belldandy. Things go awry as Celestin erases Belldandy's memories of her boyfriend Keiichi and uses her as a catalyst to wreak havoc on Earth and Yggdrasil.Morisato Keiichi is a down on his luck college student. Although possessing a diligent and generous nature, he had the misfortune of being born under an unlucky star. As a result, the current state of his life is somewhat unenviable. All that is about to change, however, as Heaven has taken notice of his plight.