Yui Kotegawa is a main character in the anime series To Love-Ru. She is a serious and disciplined high school student, known for her strict adherence to rules and her strong sense of justice. As the head of the school's disciplinary committee, Yui often finds herself at odds with the chaotic and unpredictable events that occur around protagonist Rito Yuuki and his alien friends. Despite her stern exterior, Yui has a kind heart and struggles with her growing feelings for Rito, adding complexity to her character.