Return of Tower's Phantom - Chapter 18 – The Unseen Blade

In the next life time, he would absolutely not become an author.
He would once again be cursed to the danger of crossing over into a book.
During the time when he broke free of his shell, what he first saw was just the handsome, handsome male lead that he had written.
During the time when the male lead was pinching the small soft flesh of his neck, it was also his first time hearing the male lead’s voice.
“Return goods,” the male lead said in this way toward the vendor stall’s owner.
Pei Bufan: “…… meow?”

- Description from Novelupdates

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.

Shaymon, the man who has achieved the apex of dark magic, is framed as being a Demon King and is killed.

Li Li became a chubby, unremarkable tabby cat. Right after his Litter Shovel Officer broke up with his girlfriend, he received a Comprehensive Network slot and successfully became a Comprehensive Network player.However, it seems like his Litter Shovel Officers have encountered some trouble! This is a bit troublesome for him, but what can he do?He’s a good cat. Li Li took out a treasure from his pocket and tossed it:“Take it, Litter Shovel Officers. You have been strengthened.”