Hello, Ex! I Finally Found My Worth! - Chapter 29: Why Her?

In the future timeline, Humankind had developed things that brought a revolution to the world. But their best invention was fully immersive VR games that became more and more advanced as time passed. They could create new worlds— in virtual reality, that was more beautiful and profound than the real world they lived in.

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates

He died on Earth with nothing—no legacy, no power, and no second chances... or so he thought.After getting hit by a truck, a disillusioned young man awakens in the body of a boy named Zane, in a war-torn fantasy world where nations clash over power, and magic is the law of survival. Gifted a mysterious book from parents he barely knew—and now lost forever—Zane accidentally awakens the Void System, a cold, cryptic force that offers power... at a price.In a world of monsters, systems, and bloodshed, Zane doesn’t get a choice.Survive, or vanish into nothing

There came a sudden ravage by monstrous creatures in a civilian world, leaving humanity's hope to lurk in shadows. Hunters, trained in special schools, wield potential and abilities that enabled them keep the beasts at bay.For Buji, life’s difficulties stem not from being an orphan, but from relentless bullying. Nicknamed “the weakling,” he detests the label but bears it forcefully since he could do nothing.When he transfers to a new school to join his foster sister, Buji thought things would be different. But, during the Awakening Ceremony of the school, he find out a shocking truth: he's was going to be an S-Rank hunter without a talent.Awakening no talent only added more difficulty to his life struggle as he was branded an outcast.On the verge of death during his first raid, Buji awakens an enigmatic system.[Host Found][Survival due to inheritance][Congrats, you have gained the status of a 'player'.][The player, upon leveling up will awaken a potent monster][Class: Animagus | Type: Snake | Aspect: Venom][Do you accept?]Given the choice to embrace a monstrous path, Buji seizes it with unyielding resolve.'If becoming a monster is my only path to strength, I’ll take it—and the world will regret casting me aside. Fighting against these hunters was going to be a job, but imagine a world where I had control over monsters, had my own monster kingdom, and becoming the strongest of all. Stepping on these hunters won’t be a deal anyway.'“Yes!”