Hidden Blade - Chapter 34 Back Then, Grudges

A 30-year-old NEET is reincarnated into the body of an otaku that choked to death on instant noodles. As he comes to grips with his new life, he realizes that this world is subtly different from Earth. The denizens of this world are far better looking, and this new world also possesses futuristic technology as well as mysterious Yin Yang masters!

After reincarnating, he realized that he was endowed with a miraculous game-like system, which enables him to increase his own stats and transcend the limits of the human body. This system even has a game-breaking ability to save and load in real life!

In this new world that’s akin to a 2-D game, he just wants to enjoy life and head for a glorious future… However, he is quickly embroiled in a complex plot. Can he unlock his true potential and utilize his system to break the shackles that confine him and discover the truth about his previous body’s circumstances?

- Description from novelupdates

A master assassin transmigrates into an interstellar era.

Other players were responsible for competing in the e-sports arena, while he was responsible for stringing up and beating up the other players.

His sword was hidden during the peak of day, and he was a gentleman who arrived in a flash of light;
As a vanguard of the eternal night, he was the variable between life and death in the world.

“As you know, the Star League’s difficulty levels are arranged in this way:
Paradise < Simple < Normal < Difficult < Nightmare < Hell < [Tyron Odin]”

- Description from Novelupdates

Comprehensive martial arts world, Kyushu continent.

Eight great dynasties stand in great numbers, and countless small countries coexist.

Ximen Wudi, who came through, activated the god-level sign-in system.

Signed in for a period of time in a low-key manner, and created the mysterious and little-known Qinglong Club in the arena.

Wherever there are people, there are traces of the Blue Dragon Society.

Until this day, the Heavenly Dao Golden List came to the world…

- Description from novelbuddy

The real hardcore player, who chose the most difficult start in “Reality Online”, still has to shock others with his god-level operation.