With Jiro’s disappearance, Yuri supports Otoya’s induction into the Wonderful Blue Sky Group as IXA’s official user. But when they plan to seek out her mother’s lost ring, Otoya finds himself suffering memory loss after a battle with Rook, when Maya, the Fangire Queen, arrives and claims to be Yuri! Meanwhile, in 2008, Wataru finds Mio has distanced herself from him after an encounter with Bishop, another member of the Checkmate Four!