FURVERT!

animal_genitalia anthro balls big_penis biped canid canine fox fur genitals graphite_(artwork)greyscale grin hair half-erect humanoid_genitalia humanoid_penis hybrid_genitalia hybrid_penis looking_at_viewer male mammal marudi monochrome muscular muscular_anthro muscular_male penis sheath sheathed_humanoid_penis simple_background sitting smile solo traditional_media_(artwork)white_background