All Consuming Manifestation ~ Spike/Xander ~ NC17

Title: All Consuming : Manifestation
Prompt:

whedonland Big Bang fic 085 : Alley,

fc_smorgasbord prompt : Grace &

angst_bingo prompt : Supernatural : Weres & Shapeshifters
Characters: Xander/Spike, Willow/Tara
Master: Master!post
Beta: Unbeta'd but proofread
Rating: NC17
Summary: That all consuming need ~ where did it come from?
Warning: More outright smut....
Images: Created by the awesome