The Villain Professor's Second Chance - Chapter 3: Where am I?

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

With his engagement at hand, the most terrifying and legendary person of the legal world, Fu Huai’an, returns with a son.

Before the engagement…

He asks, “Since you love Wen Moshen, why are you in my bed?”
She says, “Because I cannot watch idly as Wen Moshen’s woman enters an engagement with you.”

With a cigarette in Fu Huai’an’s mouth, he crosses his legs. Across the light cloud of smoke, he squints his eyes—watching as Lin Nuan’s slim arms wrap around his neck; he feels stirred.

So a person can love another so passionately.

“You call what you did a kiss?”
“…”
“What a pure lady!”

Fu Huai’an spews out a cloud of smoke and snuffs out the cigarette. With a mellow voice, he says, “Let me teach you what kissing is!”

But, what he teaches Lin Nuan doesn’t seem to be only a kiss…

- Description from Novelupdates

In the previous life, she was a swindling charlatan who had neither learning nor skills and was beaten to death.

Upon opening her eyes again, she had returned to when she was five years old. An impact from a clay Buddha opened her divine eyes, gave her photographic memory, astonishing talent, ability to view another’s past, able to sever the ties of disaster and fortune of life and death, a heaven defying rejuvenation technique, and a technique to recognize treasures.

In the last life, her family became ruined and she ended up a homeless wanderer.

In this life, she will defy heaven to change her fate and take back her happiness.

In the last life, she had nothing, had no education nor skills, was despised by others, and was looked at with indifference.

In this life, she exerts herself to become a real master of metaphysics, stands in the summit of the world, became a legend in the business world, sought after in the political circle, and a VIP of the underworld……

Those who owe her, all will be given one’s due!

He, like a deity who shows disdain for the world not only treats her with familiarity but also guards her like a loyal dog.

Her life became an unprecedented and unique existence.

- Description from Novelupdates

Ronnie, a college student with a boring life has everything around him change when his whole world is turned upside down by a woman he accidentally summons while trying to summon a magical familiar as a game.His peaceful and tranquil days are disrupted as he tries to help her fit into human society while also searching for a way to break their bond.Hell further breaks loose when he discovers that his familiar is indeed the demon queen and mysterious forces start trying to eliminate him for reasons unknown.He struggles to protect himself, adjusting to having a demon queen in his life, and understanding his growing feelings for her.