To LOVEる -とらぶる- (2009)

"To LOVE-Ru -Trouble-" is a Japanese manga series written by Saki Hasemi and illustrated by Kentaro Yabuki, which has also been adapted into an anime series. The story revolves around Rito Yuuki, a high school student who has a crush on his classmate Haruna Sairenji. However, his life takes a chaotic turn when Lala Satalin Deviluke, a princess from another planet, suddenly appears and becomes engaged to him. As Lala and her various alien friends enter Rito's life, he finds himself caught in numerous comical and often risqué situations. The series is known for its lighthearted, comedic plot, harem elements, and fan service. While the main storyline focuses on Rito's relationships with multiple female characters, it also incorporates science fiction and action elements. The first season of the "To LOVE-Ru" anime, which aired in 2008, uses characters and themes from the original manga but features mostly original plots that did not directly adapt the source material. The series has gained a significant fanbase for its unique style and humor.