Gate (Star Comics) 3

In Tokyo's Ginza district, a portal appears, from which a fierce troop of monsters and soldiers in medieval armor emerges. The army manages to repel them and enter the gate, establishing an outpost in the other world, which is populated by elves, sorcerers, and dragons... The perfect place for an otaku officer! Itami returns to Japan, bringing with him some girls from the Special Region as witnesses to his team's actions. After finishing his meeting with the parliamentary leaders, he plans to take his guests to a hot spring, but someone is tailing them... and the pleasure trip turns into a fight to the death!