After the great war ended with humanity's victory, the world suddenly gets "overwritten" right before the eyes of a boy named Kai.

Three high school students are transported to a fantasy world. But while two are heroes, one can only be a healer.

A vending machine fanatic meets his demise when he is, quite ironically, crushed by a vending machine. He finds himself reincarnated as a vending machine in another world.

On Earth, Haruo and his companions make contact with the indigenous Houtua tribe. To defeat Godzilla, they set out for the old Mechagodzilla facility.