Famous detective Ryuuzaki L Lawliet managed to fake his death and leave to Georgia, America with Tagoku Kairi, the first cousin of Yagami Raito. A new Kira emerges, putting her remaining family in danger. What will happen when she leaves her current case to assist in the capture of her cousin's legacy? Credited to corgi101 "Jeff The Killer: The Real Story" You should read it.