Yurizimins Yosefovich Volstatingrav is a Russian arms dealer, assassin, adventurer, gun enthusiast, frankly, he's a lot of things. Though he never explains how he got in, Yuri is in Academy city, and wants to see it all, from the amazing to the horrifying, making friends and foes along the way.

The world of Evern Greenwood, son of a successful Atlesian politician, is flipped upside down after his father is branded a spy of The Watchers. The Watchers being a mysterious paramilitary organization that sells information to anyone able to afford it. Evern, having been taken in by The Watchers, must become accustomed to a new society, family, and life within the organization.

A prestigious group known as the First Hand Experience Organization is sending several of its specialists to teach at U.A. High, however these specialists are no ordinary teachers, they're captured and converted Villains!