Shuumatsu no Valkyrie: All-Out Galactic War

With Humanity across the Multiverse in danger against a Galactic Threat that wishes nothing more then to wipe them out of existence! In order to have a chance in surviving against this threat, 13 human fighter are gathered to fight in a tournament of Life and Death: Ragnarok. Can the Champions of Humanity stand a chance against the Champions of the Galactic Empire?