Nine Realms Sword Emperor - Chapter 25: Protective Jade Talisman

After a god screws up and accidentally takes high schooler Shou’s life, he offers him reincarnation with a gift to make up for it. Shou asks to retain all his old memories for the new life. Shou is reborn as Will, a noble’s son in a world where magic use is common and involves knowledge of kanji characters. With all his memories, he’s a brilliant toddler, and when he experiments with magic, he finds that he has an amazing talent for it! What’s more, though he was smart but unloved in his old life, in his new life he has a mother and a father who both love him deeply. His future as Will is looking very bright and cool!

Yo, Hi! I’m Frank, I made a deal with a demon to pay me some money for receiving a guest for a few days every week.
I had no idea about what I have done.
On May 1st, Conan ‘the God of Death’ came to my house. I was forced to let him in and we get involved in a criminal case.
On May 8th, Bruce Wayne ‘Batman’ came to me. I was forced to follow him to fight crime.
On May 16th, Hannibal Lecter, The Silence of the Lambs, came to my home. I can only say that I really can’t stand my guests.

- Description from Novelupdates

During a party one evening in the royal palace, Rachel, the eldest daughter of Duke Ferguson, was reproached by Prince Elliot for sins she didn’t remember committing and their engagement was abandoned. Rachel informed everyone she had not committed the acts they were accusing her of, but she was dragged away out of the party venue and thrown into the palace dungeon.

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.]