From Idler to Tech Tycoon: Earth - Chapter 24: Nostalgia

In the mortal realm where alchemy has long declined, a young man by chance obtains a supreme treasure, the Reincarnation Pearl, from the immortal world. Surprisingly, within this treasure resides the remnant soul of a female immortal sovereign who possesses the highest alchemical skills of the immortal world.“Do you desire power? Want to learn alchemy? Wish to ascend to the immortal world?”“I want you”Thus begins Mu Can's extraordinary journey against the heavens.

His name was Brayden Neal, and he was an ordinary citizen. At eighteen years old, he was bestowed the title of a king!

After ten years of fighting in the northern borders outside the kingdom, he finally returned home. He swore to kill three people the moment he arrived at the capital…

My name is Mikami Yuu, and I am a first-year student at the Soul Society, Shino Academy of Spiritual Art.

I have a friend who will be a little famous in the soul world in the future. His name is Aizen? Jiayishu?br />Different from this friend who has great ambitions and lofty ideals, my goal is very simple. Through hard work and diligence, I will graduate Later, he became the chairman of the thirteenth team of Goutei, and has since become a warrior class, living a life of lying down and sucking blood.

Until one day, a thing called “Cultivation Binding System” suddenly appeared.

Whenever Aizen improves his strength, my strength will be automatically synchronized to the same level as Aizen.

Then, what to do in the future is very clear.

“? Jiayi? You have to work hard. As long as you work hard enough, I can live the life I want!”

- Description from novelbuddy

In a future city intertwined with science, magic, and various races, a fearsome villain lives.“How dare you try to use such a young child. Do you have no conscience?”“It’s truly regrettable. To think that this girl could be the key to eradicating a den of evil.”“You can rest easy now. We will definitely protect you.”Sorry, but I’m actually that villain…It seems like a serious misunderstanding.