FURVERT!

abs anthro armor balanar_the_night_stalker balls digital_media_(artwork)digitigrade dota erection fishboner_(artist)genitals greyscale hi_res holding_penis humanoid humanoid_genitalia humanoid_penis male masturbation membrane_(anatomy)membranous_wings monochrome muscular muscular_anthro muscular_male patto penile penile_masturbation penis smile solo spread_wings tail valve valve_corporation wings