A 鏡 "A", the second 手紙 of WAX, appears from the 空白 中心 and rolls out on 白 rails, a ミサイル ready to be launched. Each "A" looks like itself. A solitary 単語, indicating something that isn't there. Its not an object, though it does have the 物質／実質 of a 手紙 (in the thinking 暗い of this frame).