Code Geass : Lelouch The Private Home Tutor

Code Geass : Lelouch The Private Home Tutor : Why has Lelouch become C.C.’s tutor?!Lelouch and Nunnally were living in peace, but then one day a spoiled rich girl with absolutely no common sense named C.C. moved in next door. At the request of his mother, Marianne, Lelouch