This work tells the story of the protagonist Hayato Izumi, who lost the first student council president election to Wakana Hagoromo, who said in her speech that she would promote the liberalization of school love and threw a lot of condoms to the audience. But on the night of the first meeting, the student council president Hagoromo ran to Hayato's house and announced that she was his fiancée. What should Hayato do in the face of this "wife who came to his doorstep"?