Rule 34 Dev - 1boy abs ai ai_generated balls black_fur blush bondage canine canine_penis collar desperation dripping_precum furry furry_only gay heart_symbol kneeling knot leash male male_only manly masculine muscles muzzle_(object) nipples on_hands_and_knees on_knees only_male pink_eyes precum pupils puppy solo solo_focus solo_male strong sweat tail tongue tongue_out yaoi yaoi0man yiff|11685146200