Haruka Kujou, a 16-year-old high school girl in love, finally lands her dream boyfriend— a high-spec, ideal guy named Neiro Shimono (nickname: Humming)... …who also happens to be a gorilla living at the zoo!? From bathroom manners to basic dating etiquette, everything about her new gorilla boyfriend is wildly different! Their couple life is full of chaos and challenges— a completely unprecedented wild rom-com that brings shoujo manga into the age of diversity!