She is in year 1 class 4 of Sakakino Gakuen, and one of Makoto's friends since junior high. She's in girl's basketball team, and also is the head of the group of girls who bullies Kotonoha. She has always had a crush on Makoto since junior high. Although she has feelings for Makoto ever since junior high, he does not seem to think of her romantically. While Kotonoha dates Makoto, Otome is extremely irritated and jealous when before, she thought the relationship was one-sided.