When the power mysteriously fails, and almost everyone vanishes from a small tourist vessel in the Arctic, fear becomes the master for the three who remain. Forced ashore, the men deteriorate in body and mind until a dark truth emerges that compels them to ally or perish.。故事描绘了20XX年,突如其来的“通往异世界的门”在东京银座出现,从中涌出来了大量怪物和军队。而陆上自卫队在击退它们的同时,还赶赴了门另一边的“特区”。于是,担任了第叁侦察队指挥的二等陆卫的宅男伊丹耀司,与帮助被巨大炎龙袭击的村民们时,与精灵、魔导师和亚神等异世界的美少女们之间产生了奇妙的交流.。The movie starts with the Sazer-X playing basketball. All of a sudden a flash of lightning strikes the earth. They headed for it, and discovered a boy. The boy was Riki, who assumed to forget everything. On the other hand, Remy informs the Sazer-X that a giant monster, 'Mecha Giant Beast Bulgario', had approached the Earth and were destroying buildings. The Sazer-X defeated the...。