ToLoveRu is a Japanese manga series created by Saki Hasemi and illustrated by Kentaro Yabuki. It follows the story of Rito Yuuki, a high school student who struggles to confess his feelings to his crush, Haruna Sairenji. His life takes a turn when he encounters Lala Satalin Deviluke, an alien princess who suddenly appears in his bathtub, leading to a series of comedic and romantic adventures. The series has been adapted into several anime seasons and spin-offs, including ToLoveRu: Darkness. It combines elements of romantic comedy and science fiction, featuring a diverse cast of characters, including various alien beings and other high school students. The blend of humor and romance has made it popular among fans of the genre.