Demon Twins

"Speaking of which." Kanami turned her silver eyes on Chizuru. "Remember this, Yukimura Chizuru. Your father will return you to your rightful place at the head of the Yukimura family, with or without your consent. When my sister and I come to retrieve you, be ready. If they stand in our way, we'll slaughter them all" -spelling of character names may be slightly different-