[Machine Translation] What is the meaning of being invited to this world infested with monsters? Atsushi Tsukizhen and Chizuru Kayoi have tamed the two-headed dog girl after a fierce battle with her. Meanwhile, in the present world, in addition to them, the disappearance of "Kougetsuyama Nagi" and "Makikado Hatsuka" has been making headlines. Nagi and Hatsuka are invited to the castle of "Hoshinomimi", who wants to use them to change the world, and are ordered to have an audience with the king. However, they are forced to fight a mock battle with a female warrior from "Hitouban", whose body has become unbeatable by the general who intervened.... With an air gun in his hand, will he be able to defeat this unknown and powerful enemy? The long-awaited third volume of this master's latest work!