Rule 34 Dev - 1boy after_anal after_sex anus ass back_view bara bottomless clothes color cum cum_in_ass cum_inside cum_on_ass cum_on_body fullmetal_alchemist gay human indoors looking_back male male/male male_only mason_(fullmetal_alchemist) muscle pants_down partially_clothed solo testicles trembling waribashi wink yaoi|467807280