A love story that depicts the cohabitation life of Kyouka (27), a beautiful and tight-fitting office lady, and her boyfriend, Misaki (20), who is a handsome college student. At the company, Kyouka does her job with a machine-like expression, but in front of Misaki, she always has a spoiled personality. Misaki always has an unfriendly attitude toward her. Kyouka becomes suspicious of his affair because he has never been told that he likes it even after dating.