L: Change the World

L Change the World, is a 2008 Japanese film that is a spinoff to the Death Note film series. Although the film is inspired by the manga Death Note that was written by Tsugumi Ohba and illustrated by Takeshi Obata, it follows an original storyline. It is set at the end of Death Note II The Last Name.

In the finaldays of Ls life, he meets one final case involving a bioterrorist group that aims to wipe out much of humanity with a virus. The virus has an infection rate that is one hundred times the infection rate of the SARS virus. He takes a boy he names Near, the sole survivor of its use in a village in Thailand, and an elementary school student named Maki Nikaido under his wing.Dr. Nikaido later receives a sample of the deadly virus which destroyed that village in Thailand. His assistant, Dr. Kimiko Kujo, reveals herself to be the leader of the organization that created the virus. Dr. Nikaido, who has created an antidote to that virus, refuses to give it to her. He destroys the antidote and injects himself with the virus. She later kills him, and she is convinced that his daughter Maki has the antidote formula. ........

Source: Wikipedia