Jun, a wife who does side work making beads. One day, a man named Kitami comes to collect her goods and pushes her down and rapes her anus. Since that day, whenever her husband and daughter are not around, Kitami trains Jun's anus. He injects her with an enema, makes her suck a dick, and plays with both her holes with a vibrator... In the end, he blocks her front and back holes with two dicks...