Suddenly, portals opened on the ground and peaceful life came to an end. People fought with monsters from portals, but their attempts were in vain. Suddenly, the white light of the land and gave the people a Shinro system that helped people defeat the monsters.

My name is Hisashi Hattori, I became a moderator after receiving the system by chance or fate, my responsibilities include supervising users and punishing the system for cheating, I create skills to resist monsters from portals, to be honest, I have a lot of responsibility for the system and the process of creating skills gave such responsibilities I can be considered the creator of the system that I am the strongest user of the system since I have an infinite level and can create skills moderation has become my routine sometimes I help users to deal with strong monsters they called me Legendary Hunter SSS rank what will my adventures turn out to be like? I don't know myself yet.