Tomo Miyashiro boasts pink hair in a side ponytail and striking yellow eyes, presenting a teenage appearance. She serves as the sub-leader of the idol group May-Bee. Under the management of the robot Sanae and production by Shinji Ibuki, May-Bee competes using advanced equipment to enhance athletic performance within Hyper Sports leagues. Tomo contributes to the group's success, including their consecutive victories in the Kanagawa Tournament during the last two seasons of Extreme Hearts. She performs alongside fellow May-Bee members Hazuki Sakurai, Yuriko Suemune, Chihiro Honda, and Teena Merkies.