To-Love-Ru

2010 38 Episodes Japanese
MA15+ Persons under the age of 15 must be accompanied by a parent or adult guardian

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!