Ryoukan

Serving as the dedicated dormitory advisor at Tokiwadai Middle School, this responsible figure oversees the daily lives of the students residing in the girls' hall. She holds direct authority over the living quarters occupied by Misaka and Shirai, ensuring the dormitory remains a safe and orderly environment. Through her supervisory role, she plays a vital part in managing the residential community and maintaining the prestigious standards expected of the school's elite students.