The Eminence in Shadow, Vol. 8 (manga)

"Cid's engaging in a litle 'fundraising' in the treasure vaults of the Crimson Tower to finance his future shadowboxer activities when he senses the presence of an upcoming boss battle. The newly resurrected Blood Queen is hosting a grisly banquet, and Shadow's not the only one on the guest list. With Cid's sister, Claire, diving into the fray on a misguided mission to save him, will she realize she's getting in over her head before it's too late. "-