謎の重力波の調査に廃工場へと出動した怪特隊ウタ班。そこに居たのは、時を渡る能力を持つ、傷付き怯えた小怪獣だった！
小怪獣に導かれ、辿り着いた世界でソラトとコウセイが見たものは、怪獣を殲滅する為に発展を続けてしまった来たるべき人類の未来の姿で…。
Unit Uta is dispatched to an abandoned factory to investigate mysterious gravity waves. They find a frightened, injured little kaiju with the ability to travel through time!
When the kaiju takes Sorato and Kosei to the future, they see what developing for the purpose of annihilating kaiju has made humanity become...
