อธิบายตอนจบของ with my stepparent ได้อย่างไร

No one knows where he came from, however, those who have seen the real him only have one evaluation of him: A person who have signed a contract with the devil. People calls him the Demon King. However, only he himself knows how much he thirsts for tranquility. After entering an contractual marriage, his wife was as cold as an iceberg. This family was like a battlefield in Africa where they need to have everything going their own way!