Seven years after the defeat of the spiral king, Simon and the Dai-Gurren brigade must set out to the vastness of space to defeat a new threat and save the universe.
Simon and Kamina live in an underground city monitored by the village chief. When Simon stumbles upon an artifact and beastmen invade from the surface, Simon and Kamina rebel against them.
A young man comes to possess a supernatural notebook, the Death Note, that grants him the power to kill any person simply by writing down their name on the pages. He then decides to use the notebook to kill criminals and change the world, but an enigmatic detective attempts to track him down and end his reign of terror.