MTL - Undefeated God of War - ~ Section 26 Then fight!

Arnold never thought his gaming skills would land him in a romance novel—as a doomed side character, no less. To survive, he hijacks the heroine's “system,” bending the story to his will. But when he dodges a deadly duel, he catches the eye of the heroine, Lara, his own step sister—and her love is a dangerous game. Arnold must outwit the plot and his step sister who's not afraid to kill for love. In this LitRPG romance gone wrong, survival isn't just about beating the system—it's about escaping the heart of a yandere.

After dying from staying up too late, Su Yijia found herself transmigrated into a historical novel as a minor female character.Giving money and treasures to the female lead? Daydreaming! All the good stuff belongs to her!Forget about golden fingers; she has natural talent as the daughter of a wealthy family. Tricked her into marrying a disabled tycoon? No problem, he can still be of use after a little fixing.As for conspiracies and schemes.... Watch how she tramples her enemies, punishes the scum, and beats down all those with evil intentions.The yield-boosting liquid she invented help crops to surge fivefold? Her ointments are being snatched up globally?Want to buy something? Take it slow! The treasures she has are beyond your imagination.Becoming rich is nothing. She wants to stand proudly with her beloved homeland, dominating the world together!What? To use the golden finger requires her to kiss and hug her husband?Come on sweetheart, today is also a day for us to cuddle sweetly.Qin Kaize: Online plea for help! With a wife sweet and charming alike, he can't stand one more moment of being confined to a bed. What can he do?“Passionate and Sweet Little Spouse vs. Cold and Mysterious Disabled Tycoon”

In order to chase down and kill her own murderer, Xia Yichu reached an agreement with the 233 system, and she will travel through the world to complete the task, and The 233 system helped her return to the original world.
However, Xia Yichu often encountered a broken BOSS while he was on his way to do the task. He did n’t agree with each other on the wall, the bed, the various patterns, and kept talking.
System: Please use one word to describe the other person’s impression in your heart.
Xia Yichu: Competent.
Shen Jiaye: Mine.

- Description from 69shu

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