Rule 34 Dev - 1boy 1girl butterfly_hair_ornament commentary_request cup demon_slayer_uniform faceoff greyscale hair_ornament haori highres jacket japanese_clothes kimetsu_no_yaiba kochou_kanae long_hair long_sleeves monochrome nishizononi outside_border parted_bangs siblings sisters smile sweatdrop tomioka_giyuu upper_body yunomi|22478438034