Tsubomi is a member of the swimming club and practices every day. Natsume, a beautiful teacher who is an advisor to the swimming club, is aiming for such a bud. Natsume uses her position as a teacher to sexually harass her. She thinks serious Tsubomi is for her swimming and she accepts. Tsubomi, who was straight, unintentionally reacted to Natsume's dirty tongue technique, and found out about her lesbian orgasm. Will she fall into a soft lesbian sex that is different from a man's?
