Established in 1966 by nations all around the world in response to the worldwide outbreak of Kaiju disasters, the Global Guardian Force (GGF) deals with Kaiju and extraterrestrial life forms' attacks on Earth. Today, Earth sees continued destruction of nature and a rapid rise in global warming. One night, a space crustacean Kaiju Bazanga appears. The GGF's cleanup operation is unsuccessful, and the special forces led by Gento Hiruma find themselves in a desperate situation.