In August of 20XX, a portal to a parallel world, known as the “Gate”, suddenly appeared in Ginza, Tokyo Monsters and troops poured out of the portal, turning the shopping district into a bloody infernoThe japan Ground-Self Defence Force immediately took action and pushed the fantasy creatures back to the “Gate” To facilitate negotiations and prepare for future fights, the JGSDF dispatched the Third Reconnaissance Teaion” at the other side of the GateYouji Itami, a JSDF officer as well as a 33-year-old otaku, was appointed as the leader of the Team Amid attacks from enemy troops the team visited a variety of places and learnt a lot about the local culture and geographyThanks to their efforts in huradually able to reach out to the locals They even had a cute elf, a sorceress and a demiGoddess in their circle of new friends On the other hand, the major powers outside the Gate such as the United States, China and Russia were extremely interested in the abundant resources available in the Special Region They began to exert diplo portal to an unknoorld – to the major powers itthe international order But to our protagonists it is an invaluable opportunity to broaden knowledge, friendshi p, and ultimately their perspective towards the world