The Eminence in Shadow, Vol. 10 (manga)

"After years of the Mitsugoshi group quietly using Cid's Shadow Wisdom to reshape the world from behind the scenes, the time has finally come to pay the piper. The quagmire of a credit collapse threatens Shadow Garden and the Cult of Diablos alike in an economic disaster orchestrated by one man--Super Elite Agent John Smith! (Don't tell anyone, but it's Cid in disguise.) Weaving a web of betrayal from the threads of chaos laid throughout the market, Cid finally succeeds in entangling his enemy, but in the wake of his treachery, will things ever be the same between him and the girls...?"--