Rule 34 Dev - 2022 2boys age_difference anus ass bed bed_sheet bedding bent_legs bottomless briefs brother brothers canid canine canis clothed clothing condom condom_wrapper cub duo flaccid footwear foreskin furniture furry genitals hair incest legs legwear lying male mammal monochrome multiple_boys musso nipples older_male on_back on_bed original penis pillow sexual_barrier_device sibling siblings size_difference socks spread_legs spreading testicles underwear underwear_around_one_leg wolf yaoi younger younger_male|2499271624