As brian orgasmed the last of his spunk into the big rough boned half orc female. His form flickered and blurred, returning to his orginal elven form.
"Ut oh time for another injection." The doppleganger laughted climbing off Brian's flaccid penis. Suddenly it's form blurred and shifted, reforming into Mike's huge equine form! Brian's eye's widened in terror as his watched the huge equine fucker slide from it's furry sheath. Lenghtening and stiffening under the huge Centaur's belly, until it was slapping excitedly against it. "Ok we're ready to ride!" The doppleganger chuckled.