Another universe

Another universe... seems interesting right? Well, Majo and a lot of other humans have to undergo this scenario in order to save Earth, why is that you might ask? Earth got attacked by an alien race from the Andromeda Galaxy, the aliens weren't able to destroy Earth in time, however, they're travelling across the universe to definitely destroy the Earth. Majo, along with many people gets sent into Another universe by a God who wants the humans to stand a chance in this war against the aliens. This universe is full of magic, relics, skills and more, our protagonist and the others have 10 years to survive in this dangerous world and become as strong as possible, in order to defeat those aliens.