Ore wa Subete wo “Parry” suru: Gyaku Kanchigai no Sekai Saikyou wa Boukensha ni Naritai

It is the story of a swordsman, Noor who grew up with only a dream to become an adventurer. The king of the Kingdom of Clays was assassinated by someone and now he has to be careful. The neighboring countries are very excited and need to die the king and for that, they try many things to fall him down so they get over his kingdom. Noor started his training in the mountain as a kid and now he was selected as the guide. Noor started his journey to become the greatest adventurer.