Endless Stars Collision: The Journey of A Warrior

On that day, humanity realized they were not alone in the vast universe. The excitement of new discoveries and the fear of the unknown served as fuel for humanity to evolve and become stronger in order to face this calamity, but was their rate of evolution fast enough to keep up with those changes?

Leo is a warrior who fought against the disaster that befell on Earth, until he sacrificed his life on the battlefield to save his friends, but as he was about to pass away, he was saved and sent to another world by Earth's planetary will in exchange for carrying out some quests for it. However, ever since he arrived on to the other world, he has been in an accidents, one after the other.


So, how will his journey to the other world unfold? and What challenges will he face on this journey?
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Please bear with the occasional grammar mishaps. English is not my native tongue.