Rule 34 Dev - arm_across_waist arm_around_shoulder birthmark brother_and_sister daki_(kimetsu_no_yaiba) douma_(kimetsu_no_yaiba) green_eyes gyuutarou_(kimetsu_no_yaiba) kimetsu_no_yaiba nail_polish necktie phone school_uniform siblings sitting sitting_on_lap sitting_on_person translation_request white_hair yamakawa|15713491131