Rule 34 Dev - 5_toes abs animal_genitalia animal_penis anthro athletic athletic_anthro athletic_male balls bed bedding bedding_background biceps biped black_nipples black_nose black_penis bodypaint brown_body brown_fur claws erection feet fur furniture genitals grey_claws hands_behind_head humanoid_feet lutrine_penis lying male markings muscular muscular_anthro muscular_male nipples nude on_back on_bed pecs penis pillow plantigrade red_markings relaxed_expression relaxing retracted_sheath sheath slim smile solo tail tattoo thick_tail toe_claws toes yellow_eyes feralise ket_lesh mammal mustelid otter river_otter 2014 digital_drawing_(artwork) digital_media_(artwork) hi_res shaded signature|22097810770