rule 34 2020 abs anthro balls bed bedding bedroom blanket bottomless canid canine canis clothed clothing detailed background domestic erection furniture genitals green lips green nose green pawpads green penis hair hi res humanoid genitalia humanoid penis hythrojin inside lips looking at viewer lying male mammal masturbation muscular muscular anthro muscular male navel on back on bed pawpads penile penile masturbation penis pillow purple eyes shirt solo topwear window 4629292