Chang'e, the Chinese moon goddess whose loveliness is celebrated in poems and novels. She sought refuge in the moon when her consort, Hou Yi (the Lord Archer), discovered she had stolen the drug of immortality given to him by the gods.

After locating her comrades, Usagi later discovers that she is the reincarnation of the Moon Princess, Princess Serenity (00000000000, Purinsesu Sereniti) and that her former lover, Prince Endymion of Earth has also been reincarnated in the present as the mysterious hero, Tuxedo Mask.