Akane Hibiya is a single, single, and in her twilight years, she is in her thirties. She is secretly longing for a romantic relationship, but she is taking a break from love due to various reasons, including the breakup of her engagement to her ex-boyfriend and living with Ritsu, her boss's son whom she has taken in as her guardian... Just then, Ritsu, who she thought was unsociable but kind, kisses her! This is the start of an idealistic but forbidden cohabitation love story.