CALYPSO was sought.
Girl,
Gender ref.
Are you a decoy damsel?
Described as manipulative; 'decoy damsel' is also a TV trope, where a woman lures in a man by pretending to in distress.
(You're fading or you never were.)
Fluff.
If you're a half of a something whole and have an extra half of another something, are you whole?
Has a twin ("if you're a half") and a companion ("extra half").
Black turns to green. Sand turns to rust.
Appearance ref (mane & tail go from black to green.) Appearance ref (sandy body color that has reddish points.)