Hiyori Hayama had her heart set on becoming a renowned singer in Tokyo, inspired by her favorite artist. Alas, her numerous failed auditions and difficulty in promoting her music left her feeling stagnant. Determined for a breakthrough, Hiyori entered the Extreme Hearts tournament, a Hyper Sports event that provided a platform for budding performers to showcase their expertise with specialized equipment. Despite possessing athletic abilities, Hiyori struggled with the unfamiliar sport. However, she found solace in the guidance of her new acquaintances, all seasoned athletes. Together, they formed Team RISE, determined to excel in the competition. As they participated in Extreme Hearts, Hiyori and her team members discovered fresh passions and forged indelible connections that would endure.