JUFD-372 Lewd instructor's sexy ass ejaculation management Reiko Kobayakawa

There's a fitness gym that's said to have a reputation for helping even the most slack-jawed men achieve their dream physique if they join... Reiko, an instructor at this seemingly ordinary gym, uses a secret method of managing members to stoically make them work on transforming their bodies. Her method is to use the bait of beautiful buttocks to make members wear chastity belts, and only those who achieve results are given the "reward" of ejaculation. Every day, members dream of ejaculating and continue to train relentlessly at the gym...