Rule 34 Dev - athletic athletic_male black_body black_fur blue_eyes bodily_fluids brother brothers canid canine canis caught clothed clothing dirty_talk english_text footwear fur genitals grey_body grey_fur hi_res hindpaw holding_penis jockstrap laundry_basket male male_only mammal masturbation musk paws penile penile_masturbation penis protheorem scentplay shirt sibling smelly sniffing socks solo stink_lines sweat tank_top text topwear underwear underwear_sniffing underwear_theft underwear_thief wolf|4752106424