MTL - Tech House System - Chapter 90 application of knowledge

In her previous life, she had misjudged people, mistaking enemies for kin. It wasn't until her body sank to the ocean floor that she had a sudden realization.Reborn seven years earlier, she grasped the Water-Repelling Pearl in hand, navigating unimpeded through lakes and oceans, ready to gather endless treasures. She vowed to carve out her own realm in the marine and collectibles industries.Before the conspiracies could even begin, she strategized every move. She would settle all past grievances—what was being a wealthy heiress? She would be the wealthiest of them all!

A detective travels across the United States and becomes an agent of the Los Angeles Police Department.

After getting through the initial confusion, he repeatedly solved strange cases, became famous all over the world, and was called the most legendary detective in history…

- Description from novelbuddy

Ge Xiu is a nefarious star criminal. After being arrested, according to the Interstellar Supreme Law, he will face two choices: either serve a sentence of 1156 years in black prison or enter countless virtual worlds and become a miserable person who is tortured and abused all his life. How much he suffers is how much his sentence can be reduced. Ge Xiu chose the second one without hesitation.

So… The trial surveillance system stared dumbfounded at the Former•Interstellar Most•Wanted•Criminal•Currently•Weak•Poor Ge Xiu in the virtual world, punching the empire, kicking the Federation, overthrowing oppression and building a new world. Then he turned his head to the camera and cried: “I’ve had a miserable life, really.”

“…” The surveillance system that was about to explode of anger: “Like hell I’d believe you!”

An ordinary (?) grandfather, Choi Chuntaek. In an effort to protect his granddaughter, he started the virtual reality game 'Arkstar.'

Then... he accidentally obtained a legendary class?