Magika no Kenshi to Shoukan Maou - 1.4.4 — Love Simulation

She shouldn’t have got drunk, so she wouldn’t have court the troubles.
She slept with a handsome man and would be sent to the police?
Oh, my sweet Jesus…
“So you just ran away like nothing happened after you slept with me?”
“Old jerk! Even if I had the initiative, it was you who took advantage of me!”
As a saying goes, the more spoiled a president gets, the more likely he becomes a scumbag.
An adorable ‘wildcat’ vs. a scheming frenemy.
This was a love rivalry between a modern Cinderella and a Big Boss.
As time flew, the world was like a fleeting show.
When they met again after several years of separation, he held her hand tightly and swore that he would never give her any chance to leave him again!
Finally, he asked her to marry him and pampered his cute wifey with his endless love.

- Description from Novelupdates

Due to all sorts of accidental mishaps, Qin Qi, together with the game system, is transferred into a strange world. In this world, everyone condenses Martial Soul, while Qin Qi’s Martial Soul was ten BOSS in the game! In the world, when others cultivate arduously, Qin Qi just needs to kill mobs and gain experience! In the world, there is only one alchemist among thousands of people, while Qin Qi can choose all skills, including Blacksmith skills, Spiritual skills, Matrix skills, Chef… Alas, it’s so annoying, so learn all of them. In the world, when people choose to be his enemies, their destinies have been settled!

- Description from Unknown

A teenager who unexpectedly gets transported to the modern world from ‘the world of the immortals’ . He finds himself in the body of an ordinary guy. He wants to go back to his world and for that, he will have to practice to get stronger and investigate the reason why and how he crossed through to this world.

In the past life, he was an aerodynamic engineer of a well-known company, and in this life, he is a college student of a famous school.

When the two identities are perfectly integrated, what sparks will appear.

His life experience is also slowly uncovering the mystery, whether he can beat the tycoons of this era, and whether he can stand at the peak of world business.

- Description from novelbuddy