Ryousuke Saitou

Ryousuke Saitou serves as the leader of the swimming club to which Mizuho belongs, and is also the senior she once harbored a secret admiration for. Known for his calm and seasoned demeanor, he leads the club with a blend of rigor and genuine care, while openly recognizing the talent of his junior Kizuki. Even as the pandemic forced competitions and events to be cancelled, he remained a dependable presence, steadily supporting those around him.