While Youji would prefer to stick to his hobbies, he has to deal with an invading force from another world that’s come through a Gate.
What They Say:
When a gate appears in Tokyo’s Ginza district sometime in the 21st century. From the gate pours out monsters, knights from middle-age Europe, and other fantasy-like beings, and they kill many of the citizens of Tokyo. This event is known as the Ginza Incident.