Rule 34 Dev - 1boy arm_support belt blonde_hair douma_(kimetsu_no_yaiba) fingernails grin hair_between_eyes highres kimetsu_no_yaiba long_hair long_sleeves looking_at_viewer male_focus multicolored_eyes multicolored_hair pants pectorals ponkanart red_shirt seductive_smile sharp_fingernails shirt sitting skin_tight smile solo|18972028998