Omnipotent Husband System - Chapter 439: Middle Floors.

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.

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

“Hey, hurry up and massacre those bandits!”

Following an untimely death, Kin is reborn in a world completely different from our own. A world of Magic, Monsters, and fearsome Beasts.‘No way…’ Kin thought to himself upon noticing his skin color.He had been Reborn on the other side, on the Monster side, as a Goblin.‘Am I going to have to leave my life in this cave? Surrounded by other Goblins?’Thankfully, he wasn’t just any normal Goblin.[System initializing…][Congratulations!][You have been Blessed with an SSS-Rank Skill!][You have been Blessed with the SSS-Rank Skill “Palm of the Devourer”!][You have been Blessed with a Legendary-Grade Title!][You have been Blessed with the Legendary-Grade Title “Evolving Monster”!]With a palm that can devour, absorb, and assimilate dead creatures, the Rise of the Evolving Monster starts!‘The Goblins that left earlier are back. They captured a woman. Wait… Those ears… And a tail?’A life of blood-pumping adventure, unimaginable riches, unmatched strength, and heavenly beauties starts!