Chisato lives with her husband and son. She is always timid and timid, and worries about her son who is being bullied. One day, her son forcefully hugs her and asks, "Is it better for a man to be full of confidence?" She resists, but her son is unable to contain his excitement and penetrates her, and she can't help but feel it. "I can feel it. Women really like manly men." From that day on, her son began to attack his mother every night. Wanting to become a strong man...