This article might contain SpoilersNishiko Sai is a Sagittarius who previously attended the Zodai Academy on House Cancer's Moon Elara as an Acolyte. She and Deke Moreten are Rho's best friends and band mates.
She was the girlfriend of Deke until he was killed by Corinthe during the attack by the Marad. After his death she joined the Tomorrow Party and was promoted to co- captain of the Tomorrow Party by its founder Lionheart Blaze.
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