Rule 34 Dev - 2014 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 digital_drawing_(artwork) digital_media_(artwork) erection feet feralise fur furniture genitals grey_claws hands_behind_head hi_res humanoid_feet ket_lesh lutrine_penis lying male mammal markings muscular muscular_anthro muscular_male mustelid nipples nude on_back on_bed otter pecs penis pillow plantigrade red_markings relaxed_expression relaxing retracted_sheath river_otter shaded sheath signature slim smile solo tail tattoo thick_tail toe_claws toes yellow_eyes|12111144504