Chihiro Honda shines as a member of the idol group May-Bee, consecutive champions of the Kanagawa Tournament in the two seasons before the series begins. She competes within the Hyper Sports league Extreme Hearts, where May-Bee stands as a prominent group managed by a music company and composed of female idols. Alongside Chihiro, May-Bee features Hazuki Sakurai (leader), Tomo Miyashiro (sub-leader), Yuriko Suemune, Teena Merkies, and their manager robot, Sanae. Visually, Chihiro sports neck-length black hair and distinctive yellow eyes, fitting her teenage idol persona.