Arisu Terui is one of the main characters in 'Seitokai ni mo Ana wa Aru!', an anime and light novel series centered around the comedic and sometimes chaotic daily lives of the student council members. Arisu serves as the intelligent and resourceful secretary of the student council. Known for her calm demeanor and quick wit, she often helps resolve conflicts among the group. Her logical approach balances the more eccentric personalities in the council, making her an indispensable member.