Somehow, you have been reincarnated as Guest, an extra in the world of the manga <Death Note> and a classmate of Light Yagami. Just as you were enjoying your daily life, relieved that this world seemed to have no Kira and no Death Note, a pitch-black notebook falls from the sky right onto your head.

The name on the notebook is 'Death Note.' You realize that it wasn't that the Death Note and Kira didn't exist in this world—they just hadn't appeared yet. How will you choose to use the Death Note now?