Request Link:
http://hetalia-kink.livejournal.com/21382.html?thread=89314694#t89314694Status: unfilled
What it says on the tin.
Where the wall is is up to anon, as long as it isn't completely out in the open for everyone to see. Would they hide or pretend they weren't doing anything if someone walked into them?
Bonus 1: Pinning somewhere.
Bonus 2: Reversals of who ends up against the wall.