Rule 34 Dev - 1boy black_hair blue_eyes covered_mouth haori heterochromia highres holding holding_sword holding_weapon iguro_obanai japanese_clothes jubako_(nest_of_boxes) kimetsu_no_yaiba kris_(weapon) long_hair long_sleeves looking_at_viewer male_focus mismatched_pupils snake snake_wrapped_around_neck solo sword weapon yellow_eyes|23131719936