Rule 34 Dev - 10s 1boy 1girl bad_id bad_pixiv_id brother_and_sister brown_hair floral_print flower fur_collar grey_eyes hair_flower hair_ornament japanese_clothes kimono looking_at_viewer new_year nishio_akira nishio_rina short_hair siblings smile soukyuu_no_fafner twins twitter_username wae|6914147994