To-Love-Ru Complete TV Series (Season 1-4) (Subtitled Edition)

Rito Yuki had no idea the planet Develuke even existed when their Princess Lala teleported into his bathtub, but now he finds himself to be engaged to the beautiful girl with a pointed tail. Problem: various aliens are showing up on missions of varying hostile intent. Worse, the girl that Rito REALLY loves is still completely unaware of his feelings!