Rule 34 Dev - abs after_transformation anthro athletic athletic_anthro athletic_male beak biceps big_muscles clothing cuff_bracelet deltoids electrode electrostimulation exercise feathers growth looking_at_viewer male muscle_growth muscular muscular_anthro muscular_arms muscular_male muscular_thighs neck_muscles nude pain pecs ripped_muscles screaming serratus solo standing test_subject thong transformation triceps underwear veiny_muscles white_body workout birdovo avian bird falcon falconid absurd_res hi_res|87837992