Superstar From Age 0 - Chapter 561:

After a tear in reality pulls Kagari Shuya into a white room he discovers a futuristic interface for reincarnating in a different world. After looking through the different races and skills he unlocks a new race, Lucivault, a type of vampire with none of its characteristic weaknesses. All set to start his life in a new world, Shuya is confused to discover that he is enveloped in darkness. As it turns out something went wrong when he was transported and instead of appearing where he was supposed to, he appeared in an underground cave. Shuya faces untold dangers, runs for his life, before finding his way out of the underground world. After escaping he meets his Shishou and begins to learn to fight with a spear. There is also a cute black cat named Rollo.

Warning!!! This novel contain scenes that are not suitable for children. That includes on killing, suicide... torture... and R-21 scenes

Keira Del Carlo sold her virginity in the auction to save her mother and a billionaire bought her for more than 4 million dollars. Her life turned upside down when she signed the papers that the billionaire gave to her that night after she gave up her innocence.

Alessandro De Alegre was a vicious billionaire when it comes to business. But behind that merciless attitude, there's a soft spot that only meant for her.

He has been searching for his first love for a very long time until he found a lead that she's in an auction. He took advantage of it to have her back and made her sign the marriage contract while she's not herself. She didn’t even recognize him, and that’s when he found out that her memories with him had been erased.

All her time with him, he gave her everything including the Golden Age Entertainment that should belong to her. She lives with him without knowing that she's married to him the night he took her innocence and imprisoned her in his villa. She lives thinking that she’s the mistress.

A third-rate painter in the past life, and a chaebol in this life.

I thought it was a rebirth flow, but it turned out to be a system flow. I wanted to rely on myself, but you let me use a plug-in.

“Ding! Congratulations on successfully signing in to Mao Lilan. You will be rewarded with a Dacheng-level “Karate”, which the host can receive at any time.”

“Ding! Congratulations on successfully signing in Gin Wine, and a reward of [Servant Contract], which the host can receive at any time.”

“Ding! Congratulations to Suzuki Ayako for successfully signing in, and you will be rewarded with a copy of “Cash Capability”, which the host can receive at any time.”

…

- Description from novelbuddy

Tian Man Continent is a world of martial arts. A young boy named “Su Yi” led countless yao (monsters or demons) and overrode countless families who had thousands of years of history. He rose abruptly in the world as the brightest star in the sky. He married beauties and walked towards the peak of of the world, and finally ascended onto the thrones of the ancient gods!

- Description from novelupdates