The Runesmith - Chapter 539 – Culling Games.

[I was reincarnated as an F-class Hunter.

…it’s a problem because they don’t treat me that way.]

Kang Min-hyuk, the loser of the checkpoint, gained a high-level magical civilization and everything changed.

The wife is first, the country is second, and the husband is of lesser importance.

All of his life was spent riding a war horse and accomplishing meritorious military services. But what was the result? In the end, he was cast aside once he had served his purpose.

Out of selfishness, he had favored his consort and neglected his wife. Ultimately, the one who stood by his side was the wife that he had neglected for 10 years…

After being reborn, Jing Shao decided to repent and turn over a new leaf…

Standing outside the door while holding a pillow, Jing Shao gazed at the sky. He must first mend his relationship with his wife. Jing Shao formed a fist and knocked on the door, “Jun Qing, I know my wrongs, let me in!”

- Description from Novelupdates

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