Third-year cheerleading team senior Rui and second-year junior Mizuki are secretly building a special relationship, hidden from their classmates. Mizuki, eager to impress Rui with her dedication toward the upcoming competition, gradually finds herself falling for her senpai and begins making bold, intimate requests. One day, Rui picks up her baton, deepening their bond even further. Their sweet connection now evolves into a passionate, secret romance.