Ongoing

Dungeons began to suddenly appear throughout the worldKyomi Aki became an S-Class adventurer assassin with his tremendous speed.Unfortunately, assassins were considered as a failure class.His class was becoming harder and harder to master the more he advanced.The class itself had a low attack power and mana, so he needed to always rely on someone else.One day, Aki encountered a dangerous monster that could wipe out the entirety of humanity.He somewhat managed to subjugate the monster, but lost his life in the process.Suddenly, he awoke and found himself having regressed 20 years into the past.He also received an additional "Bonus Quest" as a reward for solo killing the monster.With his knowledge from his previous lifetime and this "quest," Aki resolved himself to redo everything to become the strongest adventurer.

A young man named Jinfrey, decides to become an adventurer in order to earn a lot of money and make his family happy.However, the moment he tries to become an adventurer, Jinfrey remembers the memory of his previous life.This world that Jinfrey was born and raised, was exactly the same world as "Ground Seven", a shi*** game that he played in his previous life to the point where he was called a "Hardcore Player" !Although confused by the suddenly revived memories, by using this knowledge, Jinfrey aims to become unparalleled with the help of the secret "Hidden Equipment" in this world.