Mea Friends

An Alien plant that was given to Rito on his 17th Birthday as a present.

A assassin that was sent to kill Rito by one of Lala's arranged suitors. Eventually she found out she was used and broke the contract with her employer. She said she wasn't finished with Rito but is really using this as a excuse to stay on earth.

Haruna is the classmate of Rito Yuki, who both have a crush on one another. She somtimes becomes a guinea pig like Rito for Lala's inventions to which have awkward results.

Lala is the princess of planet Deviluke and is also one of the main characters in To Love-Ru.

Rito Yuuki's little sister.

The younger sister of Lala and the twin sister of Nana Asta Deviluke. She is the 3rd Princess of Deviluke and, like Lala, is also attracted to Rito.

The younger sister of Lala and the twin sister of Momo Velia Deviluke and the 2nd Princess of Deviluke.

A friend of Lala's since childhood. Whenever he sneezes he becomes a girl named Run.

Rito is a young boy attending high school and living with his sister. When trying to confess his love to a girl at school a ship crashes into Earth from outer space, and he somehow ends up engaged to a beautiful alien princess.

Ren Elsie Jewelria female side. She has a huge crush on Rito Yuuki.

Ryouko Mikado is a intergalactic alien doctor who works as school nurse at Lala and Rito school.