Maruyama Aya is a spirited high school student who is passionate about music and dreams of becoming a professional singer. Known for her bright and cheerful demeanor, she brings joy to those around her. Aya is a member of the band Afterglow, where she showcases her vocal talent and charming stage presence. She loves connecting with others through her music and often finds inspiration from her everyday experiences. With her supportive nature and dedication, Aya encourages her friends to pursue their dreams, making her a beloved friend and bandmate.