FURVERT!

1:1 2013 4_toes aaron_(artist)anthro anus backsack balls biceps big_butt big_penis butt butt_shot digital_media_(artwork)erection feet fur furniture genitals hi_res hindpaw humanoid_genitalia humanoid_penis male mammal mouse murid murine muscular muscular_anthro muscular_male nude paws penis plantigrade pose presenting presenting_hindquarters raised_tail rodent siddy sofa soles solo tail tail_anus toes torso_shot vein