The Lannister Spy (A Game Of Thrones fan fiction)

What if ser Jorah Mormont wasn't the only spy, and someone who is always watching his and Daenerys back? Could it be the Starks? One of the Baratheons? Or the Lannisters?

Irrista is the fourth of the youngest siblings of House Lannister. After their mother died from child birth, Irrista was raised by Cersei, Jaime, and Tyrion, but unfortunately not her father, Lord Tywin. When growing up, they left Casterly Rock and went to King's Landing for Cersei's wedding, after the Targaryen mad King was dealt with. Years later, Irrista is one of the secret assassins and spys for King Robert and the Lannisters. She killed numerous of men and women who are against the king and the Lannisters, and who defied the orders of the seven realms from King's Landing.

A month passed, and Irrista received a message from the King and her sister Cersei to come back to King's Landing. She refused to come, but more and more letters and messages came, she couldn't stand it anymore. She then, left Casterly Rock to help serve the king and help her sister. When she came in through the doors, Irrista sees the king sitting on the iron throne and her sister standing beside him. Something was not right. Read more to find out.

( Note: I Do Not Own The Game Of Thrones. They Belong To George R. R. Martin. I ONLY own MY characters.)