[Machine Translation] The year is 20XX. The "Gate to Another World" suddenly appears in Ginza, Tokyo. On the other side of the gate, in the "special region", there were abundant untouched resources and the existence of a huge empire that was flourishing. The Japanese government has concluded a peace agreement with the legitimate government of the empire against the Zorzal Army, which has repeatedly engaged in indiscriminate guerrilla activities in the region, and has taken this opportunity to mobilize all of the Self Defense Forces to launch a campaign of extermination. Meanwhile, natural disasters caused by the "Gate" begin to be observed around the world. The argument for closing the "Gate" is suddenly stirred up. The Japanese government is defending the "Gate" from all kinds of domestic and international speculation. The Japanese government is defending the "Gate" from all kinds of domestic and foreign intentions, and the beautiful girls from other worlds and Itami are guarding Leray. What will happen to the "Gate"? Chapter 4 of the intrigue begins.