Saori, who used to be a member of girls idol group, now spends her days aimlessly working at a supermarket, giving up on living the life she yearned for. The only one who she can trust is Yoshio, a Russian Blue who she takes care secretly. Yoshio is the only one she can open up herself, at the end of the day, she always tells Yoshio about her day including her personal fantasies and desires. Yoshio, with being close to Saori’s heart, somehow starts to believe that he is actually a human and Saori’s true boyfriend. But one day, Saori meets Gogh, an unknown painter, and Yoshio sees with his own eyes, the change Gogh brought to her. Being devastated by the reality, Yoshio escapes to the outside world for the first time but realizes that he had become lost in the unfamiliar world….