Another fic search!! (FOUND!!!)

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Hi guys!! I, once again, seek your aid. I'm searching for a fic that I really hope is still around LJ. It goes like this: Draco is Voldemort's prisoner, Harry comes to save him but to do so he must first complete a ritual that  basically simbolizes marriage with elements that represents something old, borrowed and blue. I know for sure its bottom Draco, and the scene at the end gets pretty steamy  ;)

Once again thank you so much for the help and I really hope someone knows which fic I'm talking about.

Edit: Found Rituals and Traditions by Amanuensis. Once again, thank you so much capitu!!