A young tank commander in the desperate last year of the Reich is hit by a stray tank shell while directing a hopeless attack. Awakening, he finds himself in a foreign land, stranded one hundred years in the future! He has to come to sense with this bizarre future and adapt to civilian life. But what will others think of his unbelievable past?

Everyone faces loss from time to time, some lose something precious to them, and some try their best to fill the void left behind by that loss, but after this loss, it's unlikely that Nishikata's life is going to go back to normal any time soon.