"Oh, how did it come to this!" Chisato had been having a physical relationship with her son, Shinichi, hiding it from her husband. "This kind of relationship doesn't make anyone happy." Chisato's sense of guilt grew with each passing day, and she decided to end the relationship. However, Shinichi didn't listen and pursued her more and more violently, driven by his sexual desire. "This is really the last time," Chisato told herself, and as her husband left the house, she immediately accepted the young man's intense lust...