Fumi Nishioka lives with Kyutaro Horikita and his family of "Sweepers," people who specialize in cleaning the minds of those overcome by negative energy and harmful spirits. Fumi has always displayed mysterious abilities, but will those powers be used for evil when she begins to truly awaken as a Queen?

Just as Fumi makes up her mind to defeat her father Yanagi, the White Queen appears! Everyone is worried that the White Queen is trying to lure Fumi to the Casket, but Fumi wants to hear what she has to say. And perhaps for the first time, Fumi can confront her as an equal!