Rule 34 Dev - 1boy 1male 1man ai_generated ass back biceps blush demon devilman devilman_crybaby gay jockstrap jockstrap_only looking_at_viewer looking_back male male_focus male_only masculine masculine_male muscle muscles muscular muscular_male sharp_teeth smile solo solo_focus solo_male toned_body toned_male twall97 yellow_eyes|13153739024