abs anthro athletic bdsm beak biceps bodily_fluids bondage bound cuff_(restraint) deltoids feathers growth laboratory male muscle_growth muscular muscular_anthro muscular_male navel neck_muscles pain pecs restraints ripped_muscles screaming solo sweat sweating_profusely test_subject triceps veiny_muscles birdovo avian bird falcon falconid hi_res
Testing super soldier serum on test subjects. I