BtVs by Whedon & M.E.
200 words to start off something. Any questions? ;)
Xander tore the safe from the wall and shuffled through its contents. When he came to the photographs clipped to his birth certificate, shock spread across his face. He walked to the mirror in hopes of comparing the man's familiar features to his own reflection - only to realize that, yes, he no longer had one.
Swearing under his breath he crossed the room and dug through the closet until he found his parents' camera.
In the morning, Willow found a video tape glued to her bedroom window.
It turned out to be a recording of Xander sitting in his living room.
"Willow. I just wanted to say that I'm leaving Sunnydale and not coming back. I've got nothing to keep me here, certainly not my parents. Oh crap."
He stood up, moving towards the screen. The film jumped, apparently he'd hit the pause button and begun recording again.
"Sorry, I had to behead them. I certainly don't want them to raise, do I?" He chuckled darkly. "Something to note. I'm not really a Harris. My mom was pregnant with someone else's kid. Look." As he raised the photo his features shifted, his vampiric eyes yellowing. "Can't you see the resemblance?"