rule 34 54 age difference anthro belly big bulge bigboywuff blue body blue fur blush bodily fluids bulge canid canine canis chest tuft clothing cub dialogue dripping duo embarrassed english text eyebrows father father and father and son fluffy fluffy tail fur furniture genital fluids hand on leg hiding erection male malemale mammal musclegut muscular navel nipples parent parent and parent and son precum precum drip shirt size difference sofa son stained underwear suggestive look t shirt tail text thick eyebrows topwear tuft underwear wolf yaoi young younger male 8385316