Brandon watched in a combination of awe and horror as Rick's hands grew thicker, and his knuckles sprouted a dark black hair on them.
"You..." Rick stammered in a gravelly voice much deeper than normal, "You're...gonna pay!" Rick's shirt began to bulge at the seams, now tearing open, revealing rapidly building muscle, covered in black fur. Rick's pants tore open at the seams, shredded by his bulging legs, and his feet burst from his shoes. Rick grinned maniacally as his face pressed forward into a muzzle, filled with razor-sharp fangs, emitting a loud howl of fury at his stepson.
"Oh...fuck..." muttered Brandon as he got up to run, reflecting on proper household behavior from now on. He quickly evaded the beast, running downstairs. He knew he needed an escape plan, but what could it be?