FURVERT!

2015 4:3 animal_genitalia balls belly black_body black_scales bodily_fluids digitigrade dragon feral furgonomic_piercing furgonomics gaping_mouth genital_fluids genital_piercing genitals grey_belly grey_body grey_scales half-erect hi_res horn looking_at_viewer looking_down male male_feral membrane_(anatomy)membranous_wings mythological_creature mythological_scalie mythology non-mammal_balls on_hind_legs open_mouth penis piercing precum red_eyes red_penis red_sclera saliva saliva_string samael_(macabre_dragon)scales scalie sharp_teeth sheath sheath_piercing solo spines sprout tail teeth thick_penis tongue tongue_out wings