FURVERT!

anthro arwing avian balls balls_on_planet big_penis bird bodily_fluids body_size_growth canid canine comic detailed_background duo erection eyes_closed falco_lombardi fox fox_mccloud genital_fluids genitals giga growth growth_sequence hacony hi_res macro male mammal masturbation muscle_growth nintendo penis planet precum sitting size_difference size_transformation smile solo_focus space spacecraft star star_fox teeth terra_macro transformation vehicle