Newly married tenant Yukichi moves into an apartment complex known for strange happenings—like an unannounced magical girl and a child addressing all adults as "Mom" and "Dad"—run by a landlord operating an adult boutique.

Yukichi finds himself drawn to Chiho, a fellow tenant and widow still emotionally anchored to her deceased husband, creating resistance to new relationships. Initially uncertain and lacking confidence, Yukichi struggles with how to approach his feelings for her.

He receives private lessons and encouragement from another tenant, Kanae Hasuma. This mentorship provides Yukichi with the skills and emotional support needed to navigate his own feelings. It becomes crucial for his efforts to rekindle Chiho's romantic life and passion.

Yukichi's journey centers on transforming from hesitant admirer to proactive pursuer. He must overcome personal insecurities and navigate the complex dynamics of the apartment community. The narrative focuses on his role in facilitating Chiho's emotional recovery and her re-engagement with romance.