Not one of her kind

Aimi is a relatively normal teenager. She's beautiful, funny, popular and very intelligent. The only thing about her that makes her different from any other is the fact that she has a deathnote in her possession. She is very aware of the powers and consequences of the deathnote but has only ever used it if necessary. When criminals in japan start dropping dead it becomes clear that it's no coincidence that all the victims are all criminals. It doesn't take aimi long to notice that she's not the only one out there with a deathnote. When aimi finds our her father is a detective in the case tracking down the owner of the deathnote known as 'Kira' she's intrigued to find out more, but when she is aware that her father is working for the amazing detective known only to the world as 'L' she is determined that she also wants to work on the case to track down this 'Kira' character. When aimi begins to work on the task force, she begins to develop feelings for the amazing mastermind L,
But she also realises that she is also working along with the mass-murderer known as Kira, but with 7 people on the task force who could it be? And will aimi have to give up half of her remaining life span just to catch them?