Nao Tokioka is a supporting character in the anime Seiren. She serves as the vice president of the Home Economics Club at the high school attended by the main characters. As a student, she is identified by her black hair and black eyes. Her position in the club suggests a responsible and organized nature, as she assists in managing club activities alongside the president. Within the series, Nao appears as a background figure in various story arcs, interacting primarily with club members and the protagonist Shōichi Kamita during school-related events. Her motivations are centered on her duties within the Home Economics Club, and she demonstrates competence in domestic skills typical of such a club. While she does not undergo significant personal development over the course of the series, her consistent presence as a club officer helps ground the school setting. Her notable ability lies in her practical knowledge of home economics, which she applies to club projects and everyday situations.