Rule 34 Dev - 2boys abs ai_generated anthro bara beach beach_umbrella beard big_dom_small_sub big_muscles big_nipples big_penis bovid bovine bull chest_hair daddy dilf duo equid equine facial_hair gay hair hairy hairy_chest hairy_male happy_trail holding_partner horn horns huge_muscles huge_nipples huge_pecs human humansub interspecies large_nipples large_pectorals larger_anthro larger_human male male/male male_only manly minostical_(artist) minotaur muscular muscular_anthro muscular_human muscular_male naked nipples nude penis sand size_difference smaller_human smaller_male vein yaoi|12153421632