Atarashi Koko (Coco in the English release of Solo Remix) is a Reaper that appears in The World Ends with You -Solo Remix- and The World Ends with You -Live Remix-.
Koko serves as the new guide in The World Ends With You -Live Remix- as the player explores Shibuya and fights for his or her life. Koko also appears in The World Ends with You -Solo Remix- as owner of a shop.