Updated to [2]This drama tells the story of Ippei Omori, a bad man who is forced to the edge of life and hates his family and children, lives with his brother-in-law of a single father and his children in order to be elected to the parliament. In the process of confronting family, society, and Japanese problems in daily life, the worst man gradually builds a relationship with his brother-in-law and his children like a real family, and gradually begins to want to create a better society, and finally seriously participates in the election and becomes a candidate, depicting the "worst man in Japan" who struggles to change his family, society, and Japan.