The heartwarming story drawn from the perspective of people and the cat.

Subaru Mikazuki, a mystery writer who hates being disturbed by his own pace and is not good at socializing.

One day, Subaru decided to start keeping the stray cat Haru, whom he met while visiting his parents' grave because he get inspiration from Haru for his novel.

While struggling to read the meaning of Haru's actions, Subaru begins to find pleasure in communal living with Haru.

On the other hand, Haru, who has survived the harsh life as a stray cat, was also wary of Subaru at first, but she opened her heart to Subaru who is clumsy but kindly treated, and gradually the distance between them get closer.