Rule 34 Dev - 2boys akaza_(kimetsu_no_yaiba) arms_behind_back arms_tied arms_tied_behind_back bar_censor body_markings bondage bottomless bound demon_slayer douma erection facial_markings fangs hand_on_another's_head kimetsu_no_yaiba male male_only partially_clothed penis restrained solo_focus sweat tied_penis yellow_eyes|6879108888