Rule 34 Dev - 2017 2boys anal anal_insertion anal_sex animal_genitalia anthro balls bondage bound bound_together bulge canine cuffs cum cum_on_body dildo dog dragon dungeon duo erection forced forced_partners gay gay_domination german_shepherd harness leather male malesub mammal messy multiple_boys multiple_subs muscular nude penetration penis reptile rubbing sex_toy straps suspension thigh_cuffs training yaoi zorrore|2639946936