Hey, the Cheat Code Management Skill Which Was Thought to Be Useless Is Too Monstrous

In a world where everyone is given a skill when they turn 18, everyone had high hopes for Arios, the son of a sword saint. Everyone thought he would definitely be given the "Sword Saint" skill... but the skill he was bestowed with was "Cheat Code Manipulation." This unprecedented skill was treated like trash, and Arios was banished from his family home. However, with this useless skill, he was able to manipulate extraordinary cheat codes! His childhood friend, the princess, joins him, and he unwittingly unleashes his unrivaled power in his new land!

(Source: Gaugau Monster, translated)