Natsukawa Ryota, looking forward to university, is surprised to encounter childhood friend Tanaka Kazuhito as his new roommate. Thus begins their journey of working together to ascertain why seemingly-perfect Kazuhito…
When university-bound Natsukawa Ryota moves into his new apartment, the last person he expects to see is his childhood friend, Tanaka Kazuhito. The two haven't spoken in years, yet here they are, about to become roommates. Ryota, a responsible and homey type, is baffled by the seemingly perfect Kazuhito—popular, athletic, and kind—yet perpetually single. Driven by curiosity, Ryota proposes a mock date to uncover Kazuhito's romantic flaws. But as they spend more time together, rekindling old jokes and quiet moments, Ryota begins to feel a flutter that goes beyond friendship. What starts as a simple investigation slowly unravels into a tender journey of self-discovery, as both young men must confront their buried feelings and the fear of ruining a cherished bond. This gentle, slice-of-life drama captures the sweet uncertainty of falling for the person who has always been there, and the courage it takes to say those three words.