She encourages Light to use the Death Note to rid the world of criminals, improving society together under the guise of a god known as "Kira", Russian for "Light" and Japanese for "killer".
She encourages Light to use the Death Note with her to rid the world of criminals, improving the world together. They decide to work together under the guise of a god they call "Kira", which is Russian for "Light" and Japanese for "killer".