CEO's Billion Dollar BabyMomma - Chapter 8 - : Use me as your weapon

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

The Great Film Emperor, Ji Mian thinks that Young Master Xiao Jiashu is an arrogant, poison-mouthed, spoilt, rich snob who exploits his strong background to ruin people’s lives on a whim. But when he somehow obtains the ability to read minds, Ji Mian comes to realise that Xiao Jiashu is probably the most adorable person in the world.

This is a story about the rise of the acting-fanatic, Xiao Jiashu, as he silences his haters and wows the world with his magnificence.

- Description from Novelupdates

I am going to die.That’s how the game goes.The less I know, the better—a hardcore otome game where the tragic villain, Johan Von Matilda, is fated to fall by his own daughter’s sword.A mere stepping stone for the protagonist to win the main heroine’s heart.And now? I’m him.“…Are you kidding me? I won’t let my daughter become a simp with no personality!”The problem is, I am just a healer with money and influence; my daughter hates me and is obsessed with him.The protagonist is obviously the one with unlimited plot armor. Blessed with Schrodinger’s Cat—an overpowered skill that makes him literally unkillable.Ding![System: Gambler’s Gambit Initiating…][All choices lead to a different ‘ending’… Choose wisely.][Earn points based on your choices. Points can be used to gamble.]“Hahaha! Be prepared to be broke, system! People don’t call me the Gacha God for nothing!”[Quest 3 Triggered: Fate had another plan][1. Actually become a traitor and betray the kingdom] (Rewards: 5,00,000 points)[2. Start twerking aggressively towards attacking Selene] (Rewards: 1 Million points)[3. Kill yourself dramatically: Yell to Leonard that “they will come after you too old friend” and bite your tongue.] (Rewards: A massive civil war will break, killing millions all over the world)[4. Beg for mercy while calling Leor your father. Kneel and ask if he’s proud.] (Rewards: Two million points and a possibility of survival.)[5. Accept your fate] (Rewards: Death)“...WTF!!”Yet a devious grin appeared on his face.This time, he will decide the ending, no matter what.“What?”“She’s still alive?”“…Wait. This isn’t how it was in the game. Why is the protagonist… changing?”[Warning: Even though at face it appears like any normal webnovel, I will warn ya there are many uncomfortable things and strong topics, grimdark stuff, and tragedy, more like Reverbed Inanity, but with dark humor, not everyone can read it with straight face, so be prepared, but I think even if you never read books like this, you will like this, cause it's done in a pretty fresh way.]

Unrivaled Spear Knight.

The stereotype that knights must use swords is broken by the brightest star of a duke’s family. The hero that brought an end to the empire’s civil war. The name of that person is Joshua Sanders.

Despite his reputation of being called the empire’s unrivaled spear, he was bleeding dark red blood. Not just anyone but by the hand of his own emperor, Kaiser… “Kaiser! Don’t think it will end like this!!” Moments before death, incurred by magic circle, the spear that spent its years together with him, ‘Lugia’, started to emit an enormous amount of energy…

This familiar place, it can’t be… the stable that I used to live in when I was young?

My body became young?! Lugia, what the hell are you?

Joshua returned to his younger self. His ultimate revenge starts here!