Sana Miyamoto, Chinatsu Kogure, Kyoko Tazawa and Oji, who met through the internet, rent a room in a hot spring inn and hit each other's desires. Sana who serves as a blowjob to the school principal, Chinatsu who is violently pistoned by her uncle and is blowing the tide, Kyoko who is blamed for vibes by her teacher and has reached the climax. Oji-san and their three penises block the holes in their bodies. The happy pant voice of the girls who are sick of Oji-san Ji-Po echoes in the inn all night ...