Impossible

When Teach showed up at Marineford to gain what he wanted from Whitebeard, he gained something completely different. His complete set. The two Omegas that have been in his sights for years. Now that he had both of them in his grasps. He would never let them go. (dark version of They Don't Know About Us) Shanks/Mihawk. Ace/Marco. Luffy/Law. Explicit. TRIGGER WARNING!