Following off of Anon in Equestria, a human is summoned into Equestria to fight a monstrous threat, but the human they chose isn't a fighter. In fact, he's not what they expect at all when they discover his relationship to their villain.
In the alternate timeline where Sombra was not stopped, a human finds himself suddenly in Sombra's body... just after the dread tyrant has conquered Equestria.
A devastating battle in the Kaiju universe transports a small group of them, heroric, villainous, and otherwise to Equestria. New bodies, new world, new society. But what happens when something even Kaiju are afraid of follows them?