The Worst of All Possible Worlds: A Tywin Lannister Self-Insert

"After careful consideration, I've arrived at two conclusions on the nature of my existence: 1. There is a God. 2. He is laughing uncontrollably." A random college student gets dumped into the body of Tywin Lannister on the eve of House Reyne's demise. He may be able to survive the coming battles, but whether he'll be able to navigate what follows is another matter entirely.