A great war between human beings and extraterrestrial life forms (Isrian) that suddenly invaded from space.
The end of the battle over several years was irrelevant (?)

A young man, Akutoshi, who was called the "hero of the end" in the battle with Izrian.
At the Tottori branch, which has been relegated, while being involved in the relaxed atmosphere of his deputy captain, Hyakufuku, he begins to realize that "spending his daily life" may be the future battle ...?

(google translate)