The Cursed Guardian

Leo Lancer is your average university student, who has an ordinary life, family and ambition. If there was something that distinguished him from other youngsters, that would be his strong desire to aid those who are in demand for protection. So―when Earth was suddenly invaded by monsters from other realities.and when Mankind were desperate for survival, He stood up for them, with his unique skill supporting him in his path. He fought, slayed, and got injured, felt pain both mentally and physical. even so, his beliefs and morals were not stained in the least.And Eventually, he met a monster he couldn't win against. the monster was a world disaster Rank, if it was left to wander on earth not only mankind would face its end but even the planet itself would face the same destiny After coming to that conclusion, Leo decided to die fighting, as that is the only way to defeat it. After a great battle against the world destroying monster, he died to save his world and famil. however, his journey,Leo lancer's journey didn't end there, On the contrary, his journey is just at its beginning. A journey toward the unknown. a cursed journey of growth and hardships. once a journey as a Guardian, another as a dungeon master, ...... even a demon king