Anal penetration with a fixed vibrator, endurance challenge! A female student I met challenges herself to a 1000-second endurance mission with a fixed vibrator! If her anus trembles and she reaches climax, there will be a forced penetration punishment game. HJMO-606

Invite cute schoolgirls to play and expose their anuses in a vibrating HOUSE! Initially hesitant and shy, they are forced to comply with the vibrating instructions by the lure of a reward! The schoolgirls, in exchange for displaying their undeveloped genitals and anuses, experience ecstatic pleasure as their cores are penetrated! They strive to push the limits of stimulation required for their first use of a vibrating HOUSE. Which schoolgirl will win 1 million yen? The punishment, of course, is immediate penetration!