Character profile
Hokuto Sumeragi
皇北都Biography
Hokuto Sumeragi is Subaru's twin sister, a playful fashion enthusiast who constantly teases him about Seishirou and creates elaborate costumes.
Story spoilers
Seven years before the events depicted in X, Seishirou Sakurazuka kills Hokuto in exchange for Subaru's life, though her final spell remains unresolved.
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