Prompt: Variation of forced to fuck, but with someone taking control of Finn's body and forcing him on Poe. Finn understands what's going on but is helpless to stop it.

optional bonus:
established Finn/Poe relationship
Poe knows that Finn is controlled and tries to act as if he is ok for Finn's sake, but can't stop himself from shaking and crying out in pain.
http://tfa-kink.dreamwidth.org/1082.html?thread=742458#cmt742458

Fill: http://tfa-kink.dreamwidth.org/1082.html?thread=1599802#cmt1599802