Fics like A Raven Under a Darkened Sky

Summary: Itachi is reincarnated as Ciel Phantomhive following his death at the hands of Sasuke. For years, his memories and powers have lain dormant. As they reawaken, he must balance the merging of their personalities, the reemergence of his Mangekyou, and hiding it all from his ever observant butler.

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