Humanity has come through years of war with the monstrous kaiju, and the world now enjoys peace and prosperity, yet traces of the creatures remain. From time to time, girls are born with kaiju souls and the strange powers that come with them. An organization called GIRLS gathers these kaiju girls to protect the earth. Out of the shadows rises BLACK STARS, a band of villainous kaiju girls that has just taken in a new and rather puzzled member. The film mixes action, comedy and fantasy.