Rule 34 Dev - 1boy 2013 abs animal_genitalia anthro balls bed biceps big_muscles big_penis boxers bracelet brown_eyes brown_fur canine canine_penis chest_tuft collar cuffs edit erection fasttrack37d frenum_ladder frenum_piercing fur genital_piercing german_shepherd holding_penis jewelry knot leaking male male_only mammal masturbation muscles musk nipples pecs penis penis_piercing piercing pillow pose precum sheath sitting sniffing solo stefan tan_fur thick_penis toned topless trunks_(clothing) tuft underwear underwear_sniffing|1739572768