Carey Yuki is the only daughter of Kai and Reina Reid and the twin sister of Aaron. She is the younger cousin of Katie and Kylie and Jaden's children. In terms of appearance, takes after both her parents, having her father's black hair, but with brown streaks and her father's eyes. Like her mother, she can see Duel Spirits with hers being Dragon Knight Isis, which shows that she duels with a Dragon Knight Deck.
Carey was born in the same hospital as Cody Anderson and at the same time as him.