Arisu Tachibana is a young and talented character from THE IDOLM@STER Cinderella Girls. Known for her mature demeanor despite her age, Arisu is a passionate idol who takes her work very seriously. She initially appears as a reserved and studious girl, but as the series progresses, she gradually opens up, revealing her dedication and determination to succeed. Arisu's journey in the series highlights her growth as an idol and her efforts to balance her youthful innocence with her professional responsibilities. She serves as an inspiration to her peers and an anchor in the group dynamics.