Hoshino Star, a male high school student who lives leisurely in the countryside, has a unique power—that is, being able to get along with any animal! Although Hoshi spends his days feeling supreme joy in interacting with animals, on the other hand, he also has a great dislike of humans. Kirari Yozora, a childhood friend who struggles with her extreme personality, suddenly thinks one day. What would Hoshi think if there were animals like humans? At that time, a mysterious object comes flying with a roaring sound. Appearing from the other side of the dust cloud is the most terrifying and worst visitor with cute fur ears and a tail.