This time's plan is if you can endure Kishina Tachibana's ultimate technique, you'll get a creampie, if you can't, you'll get a reverse anal! When I told Seri-chan that if she could lead all the participants to ejaculation within the time limit, she would get a prize, her tension skyrocketed! What kind of erotic techniques will Seri-chan reveal? And will the challengers be able to endure? The last shocking development!!
