Everything Was a Mistake - Chapter 39

In the age of the Warring States, the world is at war!

At this moment, a great empire is about to be established, and at this moment, this empire is at stake.

In this vast world, Young Master Qin shouted loudly, “I want this great Qin Wanshi–!”

- Description from novelbuddy

Kaito Nakamura, a shy university nerd, thought he’d found love when the stunning Aiko chose him as her boyfriend. Their sweet, fluffy romance fills his lonely world with hope—until he discovers she’s cheating on him with multiple guys, reveling in the taboo thrill of betraying someone so innocent. Heartbroken and humiliated as explicit photos of her circulate online, Kaito’s tears are interrupted by a mysterious popup: the “Revenge NTR System Beta.” Promising retribution but with a chilling condition — he can’t break up with her.Contains Ntr, read at your own risk

After his wife suddenly rose to fame on a variety show and asked for a divorce, Chen Yu left with his daughter with nothing but the clothes on their backs.At the moment he received the divorce certificate,“Congratulations, Host, for unlocking the Divorce Achievement and activating the Perfect Counterattack Life System.”Chen Yu made his way from catering to entertainment, medicine, and the financial industry before venturing into the field of technology.When his ex-wife Fang Yuan came to see their daughter, intending to mock Chen Yu, she was stunned by the scene before her!All those entertainment industry big shots she had tried so hard to cozy up to were now revolving around Chen Yu.Regretful, Fang Yuan wanted to reconcile with Chen Yu, but then she discovered their daughter's teacher Tong Ya...

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?