To Byul (Omegaverse) - Chapter 100: Is something wrong?

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.

When Su Jiu dies on her eighteenth birthday, she transmigrates into a novel about painful love and becomes an adorable four-year-old child.

In the Holy Grail War, who holds the artifact and beats everything?

Gilgamesh! It’s yellow hair! It’s yellow hair!

In the face of catastrophe, who can stand up and save the world?

Kurosaki Ichigo! Uzumaki Naruto! It’s yellow hair! It’s yellow hair! It’s yellow hair!

In front of the heroine, who can counterattack, the bull-headed protagonist?

It’s yellow hair! It’s yellow hair!

Who is Huangmao?

I am Huangmao!

- Description from novelbuddy

In short, MC inadvertently created a world, but as the creator of the world, he did not know the world at all. He should have lived here like a fish in the sea with some plug-ins that MCs always have. But now he is even stumped by the bugs in the instant world. Luckily, in this world he has found his shadow guard, or his lover? So the daily adventure is getting not so boring…

- Description from Novelupdates