Ikki's homeroom teacher. Young, cute and inexeperienced, she's the perfect object of a junior high school students fantasies. Referred to as Ton-chan by just about everyone and has gotten involved with Kogarasumaru's adventures as an AT-team. A former student at Higashi Junior High-school herself, she's constantly being reprimanded by Orihara Masaya, the academic head of the school and her former teacher. She has a small car that the team used to travel to watch the battle where they first met Akito/Agito. She is constantly paranoid that someone is going to rape her.