Thrusting into her pussy over and over again, before he felt her cumming.  The girl's tight pussy, spasming around his cock, sending him over the edge, causing him to start cumming into her.  But then it happened..... "Oh yes daddy!"  Those words.... that voice, Matthew's head raced.  He thought it couldn't be, it just couldn't be.<br/><br/>However much his head was suddenly trying to deny it, his head spinning in shock as he pulled back. His cock slipped out of her, as he blasted a few more shots of cum all over her bum.  Before reaching up to pull off the blindfold.  Looking down, his worst fears were realised.  The girl he.... not just he, he and his own brother had been fucking, was his daughter.  "Anna?!"<br/><br/>His eyes just stared in shock as he looked down at his daughters naked form, his cum covering her bum.  "Oh god...."  He spoke to himself as he lent back on his knees.  Trying to realise what he had just done, what had been going on when he walked in on his brother.  All the while trying to sort it all out, there was however one thought that was nagging at the back of his mind he was trying to ignore.... Namely, just how good that had felt.