Character profile
Kirika Karasuma
烏丸霧火Biography
Kirika appears at school as a student council member presenting as a boy, and Karin falls for this apparent "prince charming."
Story spoilers
Kirika is actually Kirio's twin sister and disguises herself as a boy to help him. She can transform into the goddess Nyx and guards the Himeka under the Karasumas' protection. Kirio eventually forces her to take Karin's ring, exposing Kirika's identity.
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