Koa is Kira...

Koa, a highschool student, has found something strange, laying on the ground outside. He thought it was his lost science notebook, but it amazes him that this is something a while lot more dangerous. A while lot more paranormal. And what he discovers is that his teacher, knows a whole lot more about it then himself. The DeathNote causes him to come face-to-face with his own little "L", named "A". What will happen to him and his family? What will happen to A and the whole world? Will Koa become another Light Yagami? Or will Koa actually survive...?