FURVERT!

abs animal_genitalia animal_penis anthro arsen_dadrim_rebello balls biceps big_penis bodily_fluids canid canine canine_genitalia canine_penis canis claws clothed clothing domestic_dog drooling erection genital_fluids genitals growth hi_res knot male mammal marlon.cores muscle_growth muscular muscular_anthro muscular_male nipples open_clothing open_mouth open_shirt open_topwear pecs penis potion precum saliva scientist shirt solo spread_legs spreading tank_top toe_claws topwear torn_clothing transformation transformation_potion triceps vein veiny_muscles veiny_penis