Yellow eyed Sam gone darkside

[babycatno1.livejournal.com]

Sam and Dean are together, and Sam has yellow eyes like Azazel. Sam has gone over to the dark side and is working with Azazel and his special children, I don't remember if Dean is with Sam willingly or not. This isn't just one story but 3-4. The last one is called 'Yellow Brick Road' because one of the special children has locked Dean into a Wizard of Oz scene, while he was separated from Sam. Sam comes back from wherever he was and isn't happy. 'Penny Lane, and The Prodigal Son' are titles of a couple of the other parts of this story. Does anyone know what this is or who the author is? Thx to all who reply