The Billionaire's Kept Woman - Chapter 21 - Déjà Vu

Jiang Shang travels through the Zongman world, but the first world is Fuyuki City?

Joan of Arc, who was not supposed to be alive, came to her door and begged him to participate in the Holy Grail War?

I thought it was the beginning of hell.

At the critical moment, the system awakens!

Just make choices, or rewrite the plot, to get amazing rewards!

“Ally with Joan, get: Top Heroic Spirit Template!”

“Choose to save Matou Sakura, get: Imaginary Space!”

“Summon a mad-ranked servant, get: the holy gun of the end!”

The Holy Grail War begins!

Facing the arrogant King of Heroes, Jiang Shang showed his magic whip under the dull gaze of all the heroes!

“Arrogant tyrants should be beaten constantly.”

“I won’t stop until you admit your mistake.”

- Description from novelbuddy

After waking up in the body of the Young Master of the Luo family, he finds he has the knowledge of hundreds of games and Light Novels. However, he finds his Dantian is crippled, so he can’t practice cultivation! Luckily, he has the Upgrade system.

Killing Monsters, doing Quests, and even killing people- it’s just too easy. I don’t have any Martial Arts? I have hundreds of light novels, just let me level up so I can get this Main Character’s Martial Art! The only problem is: Should I follow the “This OP character cultivation” or should I follow “Another OP character cultivation”?! The tragedy!

- Description from Novelupdates

A life I didn't ask for..A world I couldn't call my own...I'm Edward Walters. That's what I'll tell anybody if I'm ever asked. Because, that was the name I answered back one Earth.But now, in this new world I reincarnated in— a medieval one of swords and magic— I'm known by many names.. The Undisputed Prodigy, The Anomaly of my generation, The Legend Blank, and... Charles Liam Flameworth.But I didn't ask for any of these.I didn't ask for the titles, the power, the wealth, the sufferings, the wars, and the fame. I.. I just wanted to go back home. But fate pinned me to this world, giving me no way back.Untill I decided— if fate doesn't give me a chance.. I'll make one for myself. I'll shatter this so called fate, and I'll go back to my family.This is the story of the Anomaly that defied Fate. The one who Reincarnated as a Genius Mage.

You take up a student career.

Student career upgrade to lv.7

Acquired skills: primary school knowledge, junior high school knowledge, high school knowledge.

You take the college entrance examination,

You got a perfect score.

Your basic occupation has been upgraded to lv.9, and the job transfer system has been activated.

You change jobs to become a scientist, you gain R&D skills

You use research and development skills to get space fortress construction technology

You use R&D skills to gain starship technology.

You are invincible.

- Description from novelbuddy