Rule 34 Dev - 2016 animal_genitalia animal_penis anthro barazoku barrus bear belly biceps bin_(artist) black_fur black_hair canine canine_penis closed_eyes cum cum_on_chest cum_on_hand cum_on_penis cum_on_self cum_on_stomach cumshot duo erection frottage fur grey_background grey_fur grey_theme hair handjob humanoid_penis interspecies kissing luthercage male mammal manly masturbation musclegut nipples nude open_mouth orgasm overweight pecs penis red_hair saliva saliva_string sex simple_background standing story story_in_description teeth wolf yaoi yellow_eyes|2312369528