The Hyoudou residence burned. Fallen angels fell as a boy of age ten punched his way through them.
Floating in the distance his father watched. Sure it sucked his wife Mika, and his other son Issie died, but Nolan had something better, a son who unlocked his Viltrumite powers at age ten. It was unheard-of, and the fallen angels that attacked made feeble attempts to impale the young Viltrumite, only to find a fist going through them.
So far, the older Viltrumite was amused seeing these so called fallen angels being put down like the stray dogs that they were.
Soon the fallen were dead, and the house gone, and at it was the boy, Ben Hyoudou. Nolan Flew down at said, "my apologies for not arriving sooner."
"Tell me about the real you."
Nolan does this as his soon hears and says, "teach me---everything."
Nolan nods, and the two Viltrumites leave to train.
Six years later.
Ben Hyoudou landed in an ally way, and entered his apartment. The next day, he was to attend Kuoh academy. His father had spent six years almost killing him in his training to be a son of Viltrum, and had one reason for joining his father in the conquest of Earth and the underworld:
REVENGE