Destroying My Own World - Chapter 40 - : Similar.

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

Gu Yuanyaun had transmigrated inside a currently popular novel. She transmigrated into the body of a woman that carried the same name as her. Coincidentally, the woman already had four sons but was forcibly separated from them by an accident and ended up with a miserable ending.

As time gradually passed by, it was always accompanied by change. The four sons grew up and became successful individuals. They became the bosses on their own chosen fields while on the contrary, their mother, Gu Yuanyuan, instead turned into a teenager which was even younger than her sons.

Seeing that the hurdle was too high, Gu Yuanyuan, who became a pea princess on the story, decided to find her four sons.

The eldest son was a billionaire.

The second son was a legendary medical doctor.

The third son was a martial arts prodigy.

And lastly, the fourth son was a genius professor.

Gu Yuanyuan smiled with a kind face and said: “Dabao, Erbao, Sanbao, and Xiaobao. I’m your mother”

Looking at their mother’s appearance that could be mistaken as their own daughter’s, the four big sons was: “…???…”

- Description from Novelupdates

This is a world where a king is the most powerful.