I Married My Ex's Billionaire Father - Chapter 10: Mr Van Doren

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.

A replica of Marquis Kieran Vale, the son of the Marchioness of Vale, who she deemed a failure. That was all she was. No, she was now referred to as “he.” At least until she met Claude Del Ihar.

Han Dong works as an extra as well as a fortuneteller who foretells marriage fortunes extremely accurately. One day, he accidentally foretells his own fortune and discovers that he and a Mr. Golden will become “a match predestined by fate”. As a straight man, he doesn’t hesitate to ruin his image in front of Mr. Golden — acting as a fool, a despicable man, making himself as annoying as possible because he is afraid that the other man will take a liking to him.

An anime otaku who has traveled to the world of full-time hunters, in order to live well, he can only keep getting stronger all the time, burying the strong one after another. Your withered life will be continued by me.

- Description from novelbuddy