Smut?

[shoheen]

Title:  Four Years...
Fandom: Doctor Who 
Characters & Pairings: Amy/River 
Rating: NC-17 (I really have no idea how ratings work)
Disclaimer: I own nothing. This is just for fun
Summary: smutty smutty smut smut (I think...is it?)

Still pretty new to fanfic so let me know if I've done anything wrong here, but here goes...

Smut?