MTL - The Upgrade System of All Realms Starts From Conquering Naruto - Chapter 12 Is this your answer?

After Wang Mang died, he turned into a giant python, evolving crazily!

With the help of his family, he is getting bigger and bigger!

From the first few meters, tens of meters, to hundreds of meters!

From the Burmese python, to the Titan python, to the deep sea python!

When Wang Mang’s size reached hundreds of meters, the earth’s catastrophe came…

- Description from novelbuddy

The world I transmigrated is filled with players, with survival already a struggle. Moreover, I was entangled with a System to become the most visible NPC...The natives resent me while players see me as a thorn in their side.I needed to strive with all my might to live a good life in this foreign world while avoiding being bullied by the players. I can only turn the sufferings I experienced into the sufferings of others. I would have to keep all the benefits for myself, grow vigorously, and become an invincible boss who could never be defeated by players...This is a tale of the classic Fourth Day Disaster story while being struck by the disaster itself.My completed work of over ten thousand subscriptions, “Dream Master of Ten Thousand Worlds” is a testament to my credibility. Feel free to dive into it.

The “S-rank Hero Factory” that raised 1,000 S-rank heroes.

The graduates’ manufacturing machine.

The strongest support.

These are all words that refer to me. But could this actually be the world of that game?

Zhong Yuhuan had transmigrated into a book and became the female supporting character who was destined to die an untimely and tragic death. Coincidentally, her family adopted two boys — the male lead and the villain of the book!

The male lead of the book would become a superstar in the show business and the villain a super successful and powerful businessman.

Zhong Yuhuan thus began her life of raising the male lead and the villain while faceslapping other scums. She would grow up quickly and live the life of the rich and powerful Mary Sue!

- Description from Novelupdates