FURVERT!

2014 anal anal_masturbation anal_penetration anthro anus autopenetration balls bed biped blush butt collar eyes_closed forked_tongue front_view furniture genitals lying male masturbation monochrome nick_(nirvana3)nirvana3 non-mammal_balls nude on_back on_bed penetration pillow reptile scalie sketch snake solo spread_butt spread_legs spreading tail tail_fetish tail_in_ass tail_in_own_ass tail_insertion tail_masturbation tail_play tongue tongue_out traditional_media_(artwork)