This movie starts with Saze X playing basketball. Suddenly, a lightning bolt hit the earth. They walked towards it and found a boy. The boy's name is Ricky, and he thinks he has forgotten everything. On the other hand, Remy told Sazer-X that a giant monster named Mechanical Giant Bulgario had approached Earth and was destroying buildings. Sazer X still defeated the monster. But then something flashed into their eyes, and Takuto mistook it for a cosmic capsule. In fact, this is the Bosquito people that exist within Bulgaria, which Professor Horiguchi later explained.
在没有任何预兆的某一天,一个名叫Rinko Aili(樱井奈美饰演)的高中二年级女孩从昏迷中醒来,发现自己和町村诚一郎等10名同龄人被锁在一栋废弃的大楼里。他们来到一个空房间,发现自己被迫通过电视玩一个奇怪的游戏。
拥有毁灭世界能力的恶魔之王阿诺斯(铃木代友配音)因厌倦战斗、杀戮和被所有人恐惧而选择转世,并在两千年后抵达。令他没有想到的是,由于失去了妖王的威胁,魔法逐渐衰落,他的后代一个接一个地变成了无能为力的软人。