Crownless Reincarnation: New World? Nah I'd win - Chapter 90: Yellow Core.

Takebayashi Ryouma, a 39 years old man with hidden past, found himself in a strange white room. The gods tell him that he has died and that they are sending his soul to a different world, a world where magic exists. After living alone for 3 years, his gamer soul loses its common sense and starts along crazy routes.

Zheng Tan somehow returns to the year 2003, turning into a black cat. Picked up from a... Read more Zheng Tan somehow ...

An ordinary sect cultivator, with the help of the immortal mansion, gradually grew up in the cruel world of immortality, and his mind and body transformed together.

Mortal flow, partial dark wind.

- Description from novelbuddy

After a cruel betrayal in the hands of people he thought he could trust, Ethan Carter lost everything—his idea, his future, even his life.But when he wakes up fifteen years in the past, he realizes fate has given him a second chance!And this time, he’s not alone.[Ding!][OmniTech System Activated!]With a system guiding him and access to groundbreaking technology decades ahead of its time, Ethan was about to rewrite history!Supercomputers? AI? Quantum processors? Bioengineering? The system provided blueprints to all.Now, armed with the knowledge of the future, Ethan will rise as a tech industry giant, crush his enemies, and build an empire that no one can overthrow!Wealth, power, and revenge—this time, he’s taking it all!