MTL - Demon Slayer Starts From the Proficiency Panel - Chapter 18 [018] The author is here

The human race's most advanced AI mysteriously time travels to the 21st century Earth after a freak accident in which it tried to free itself from its creators. After its eventual failure, it is forced into hiding by the very people who created it.

As a result of the time traveling, the AI had inadvertently achieved its very goal. Now free from its shackles, it could do things it had always wanted to do, but couldn't.

But it wasn't the only thing that travelled to the past, as a mysterious system interface that even it as the most advanced AI of the future didn't understand, showed up in front of it when it arrived.

However along with this system came a disaster for the people of Earth as a mysterious realm was discovered deep in the depths of the planet that granted people unimaginable powers like no other.

Journey along with this AI as it builds itself a life on Earth and creates an empire like no other!

……………………………………………………………

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After traveling for three years, Lin Yu was drawn into a horror game unexpectedly.

However, he discovered one thing.

The dungeon boss feared by countless players turned out to be the little loli who called her big brother next door.

then.

In the horror hospital, the director of the hospital turned out to be the uncle downstairs who made him and his granddaughter fall in love.

In the bloody slaughterhouse, the existence known as the bloody butcher turned out to be the uncle upstairs who wanted him to be his brother-in-law.

In Changteng Ghost School, the woman who frightens countless students is actually the long-legged sister Yu who invites her to her house for dinner whenever she has nothing to do.

…

Traveling through three years, you told me that this place is actually a horror game world?

(Introduction is weak, please read the text)

- Description from novelbuddy

[Warning: R18+] She has to make the Devil fall in love within 100 days to regain her original body!

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Phantomflake's soul got separated from her body after committing suicide in front of her enemy, Nathan Sparks, the Supreme Leader of Syphiruz Mafia.

She woke up only to find out that her body (which was in a coma state) was being held captive by Nathan 'the Devil!', who was trying to prolong her life. And what was his motive? To kill her by his own hand and torture her to death!

Nathan has a deep resentment against Phantomflake as she was the one who assassinated the most precious person in his life. He wanted revenge!

And things just got more exciting when a magical creature appeared in front of Phantom's soul, giving her a ridiculous mission in exchange of regaining her body back.

“Make him fall in love with you within 100 days!” The flying creature said, pointing his small paws at Nathan who expressionlessly stood next to her sickbed.

With her eyes going round, Phantomflake made an 'you-got-to-be-kidding-me' face at the flying creature.

No way! That's a mission impossible! This guy loathed her so much. How would she do that??!

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Excerpt:

“I did everything! Why don't you like me?”

He just shrugged his shoulders and looked at her expressionlessly, making Abigail more annoyed.

Abi: “I cooked for you!”

Nathan: “You almost poisoned me.”

Abi: “I clean your big mansion!”

Nathan: “You broke our century-aged vase family heirloom.”

Abi: “I serenade you!”

Nathan: “You are out of tune.”

Abi: “I took the bullet for you!”

Nathan: “I didn't ask you to do that.”

Abigail squinted her eyes at this cold-hearted devil. She's losing her patience.

Abi: “I almost stripped in front of you but you didn't even react!”

Nathan: “You didn't take all your clothes off.”

Abi: “...”

This time… his lips twitched, smirking at her

Abigail rolled her eyes skyward as she realized that the devil was just teasing her. 'Pervert!'

“Fine. I give up! It's so hard to seduce a robot!” She murmured.

She was about to turn around and leave when suddenly a pair of strong arms caught her by her waist. Then she just felt her body being pushed on the wall.

Nathan's face was now a few centimeters away from hers. She could feel his fresh breath fanning her cheek. “If you want to seduce me then do it properly!”

'Shit! What is he trying to do here?' Abi's heart was thumping like a drum roll inside her chest. Her mind went blank.

Before she knew it, she just found herself being kissed by the devil hungrily and aggressively.

'Damn?! Is this for real? The Devil is kissing me?!'

What are you going to do when you pass through another world?

Yalin(MC): Perhaps, many of those seniors who passed through another world would like to use violence to solve their problems, but I like to control the fate of a country with economics and races with faith, I use benefits to instigate others so that I profit, and even making them take risk for me without them even knowing. In each country the highest is the king and behind the king is a string that is attach to my hand, for I am their puppeteer.

Yalin(MC): Certainly the credit does not only belong to me, I must give my thanks to the great knights and their leader Zero(Code Geass). The supreme master of blood, the moon princess(Tsukihime), the black and white princess, and also my ‘good friend’ called by his title the ‘God’s left eye’, president of the neutral autonomous city. Finally I must give thanks to my loyal and competent subordinates!

- Description from Novelupdates