In Sapporo's Susukino district, Rie, a wife who had become a guarantor for her husband's debts, was living with her son to escape relentless debt collectors. Her husband had already vanished, leaving their marriage in ruins. In front of her passive, reclusive herbivore son, Masao, Rie is assaulted by a group of corrupt loan sharks. The men violently rape her, forcefully creampie her ample, busty body, and humiliate her as she trembles in fear. That night, even as she's being raped, she scolds herself aloud for urinating in front of her son. This summer, the ultimate erotic drama unfolds between mother and son!