Martial King's Retired Life - Chapter 13Book 15:

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.

“You want to steal my genes then leave?” He grabbed her and tried to force her to hand over the child that was born three years ago.

She never had a baby? Then conceive one!

The delusional CEO’s desperate love. Her inability to resist as she fell deeper.

OK, the baby is born. She handed it to him and left!

Yet, he had her hog-tied and thrown onto the bed. Furiously boiling with anger he roared, “Woman! Who said I only wanted one?”

- Description from Novelupdates

Zheng Tan somehow returns to the year 2003, turning into a black cat. Picked up from a rubbish heap by the Jiao family, he is given the name “Charcoal”, and so begins the life inside Professor Jiao’s family. Zheng Tan remembers that he was once a person, but currently his body is that of a cat. He has no way of speaking the human language, but can understand it, and even retains the thinking and IQ of a young 20 year old youth. Read along as he adapts to this new world, and somehow tumbles from a group brawl to catching a thief.

- Description from Novelupdates

[Completed & female disguised as male & did the eight-fold mirror of the silent master hit your heart~]

In the eyes of others, Mr. Dumb is cold all over his body, his aura of a big boss frightens everyone, and one look can make you feel like a chill…

In Gu Shen’s eyes, it was a different feeling—-

Xiao Jiu’s waist is slim and her legs are long, she is so cruel and arrogant that she is so cute, even when she beats someone up, she is so cute and good-looking, people can’t help… want to take her home~

…

However, his daughter-in-law’s peach blossoms are blooming, so he can bear with the man, why is his meowing woman here to join in the fun? !

So one day, a certain god quietly blacklisted the coquettish sluts in the silent master’s phone…

- Description from novelbuddy