I Got Stronger By Using Copper Coins Until I Am Invincible - Chapter 523

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

In her past life, Xia Chu lost her virginity before marriage and was scorned by her family as a wanton woman, forced to marry an old widower with a limp. Her aunt and mother died one after another because of her. Fleeing alone to the south to work, she suffered a hard life and eventually died tragically at the hands of a scoundrel.Reborn, she is determined to protect those who love her and those she loves, to rewrite destiny. Those who framed her, she will make them suffer the consequences; those who forced her, she will make them kneel and beg for mercy; and those who killed her, she will make them wish they were dead!By the way, that tall, stoic man with good looks, loyalty, and skills, I might as well marry you since you’ve got it all.

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!”

He married the daughter of the Lancaster family purely for revenge. He expected her to be obedient and submissive, not to resist or show emotions—a perfect pawn in his plan for vengeance.However, when his gaze locked onto the third daughter of the Lancaster family, the one who barged into the living room was her—disheveled and stained with blood. She seemed ordinary, but beneath the surface, she hid an unknown sharpness.“Do you love me?” he asked coldly.“You're crazy!” she rolled her eyes in disdain.In that moment, he smiled with satisfaction, believing he had everything under control.But she fought back. Marrying him was merely one step in her own plan.Four years later, with the Lancaster family completely destroyed, she threw the divorce papers in his face, smiling like the final victor:“Albert Wilson, have you finished using me? Thank you for making me think I once loved you. Now, never see me again, even in death.”Just as she turned to leave in triumph, she accidentally walked into a gang's arms deal, and an explosion forever separated her from him.It was only when he found the two-month pregnancy test result among her belongings that he realized he had lost the only salvation of his life.