Mystery writer Mikazuki Subaru, who isn't good at dealing with people, finds them to be a disturbance when it comes to building his imaginary world. One day, he chances upon a stray cat and feels inspiration strike so he brings the cat home as his muse. Can watching the inexplicable behaviors of a cat form material for a novel? Featuring perspectives from the human's point of view as well as the cat's.

Subaru Mikazuki is a writer who lost both parents in an accident. He rarely goes outside and finds interacting with people an annoyance because they intrude on his imagination. However, his encounter with a stray cat gives him inspiration for a new novel. As Subaru and Haru grow closer, Subaru slowly finds his world expanding, as Haru helps him remember what having a family is like.Source of collecting images:bato.to/series/80610C