Society is becoming more and more advanced, and development demands that workers have higher qualifications, especially in one of the most developed economies in the world: Japan. The younger sibling in the new movie only completed high school, with limited experience, so it's understandable that they are unemployed. However, this is also the reason why the older sibling has to bear an additional burden and many unfortunate events start to happen. Since moving in with the older sibling, the younger brother has always been paying attention to the beautiful sister-in-law Kanako. Taking advantage of when the older sibling is at work, the younger brother commits a heinous act of assaulting the sister-in-law - the person who had helped him in times of difficulty, despite her strong resistance and screams. And that's just the beginning of the dark days ahead for the kind sister-in-law.