Riina Okamoto vows to use her tits to make every man lose the “No-Penetration Endurance Championship” in no time. First dressed as an office lady, she teases a professional performer while three men watch from the monitor room. As long as there is no penetration, anything goes: tit play, a blowjob, and thigh sex. The moment he groans that he wants to fuck her, she smoothly slides him inside and declares his defeat. Next, she returns as a naughty nurse. Can the next man hold out? Watch and find out!