Synopsis: La La La

After losing his job and getting dumped by his girlfriend, 24-year-old Kirishima Shirou complained to a friend at a bar. That's when he was approached by a mysterious and stunningly beautiful woman named Ishimura Ai. While under the influence, he agreed to work for her and signed a contract. However, the next day he discovered that the contract was actually a marriage registration form. It turned out that he had unwittingly agreed to become a full-time house-husband to this enigmatic woman.