Ouchi ni Wanko ga Imasu node.

Natsumi, a woman in her 30s, experiences the end of a decade-long unrequited love and decides to move forward by purchasing an apartment. Due to a misunderstanding, she ends up sharing the apartment with Shu, a top scorer for the company basketball team. She wants him to leave, but finds herself conflicted by his persistent and flirtatious nature. As their living arrangement continues, she discovers that he has a hidden secret. The story explores the complex relationship between the older office worker and the younger athlete as they navigate their cohabitation and the emotional tension between them.