Nameless Star

The Nameless Star is the spirit of a mysterious girl lingering in The Final World.

Kingdom Hearts III
The Namless Star appears once Sora collects the first pieces of his body, alongside other stars that are still tethered thanks to a bond. It tells Sora they are waiting for someone who has been changed beyond recognition and no longer remembers them, but would miss them if they were restored. Sora offers to help the star, and it whispers its loved one's name to him.