The Captivating Crown Prince - Chapter 331

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.

Time had run out. Azrael hadn't been chosen by the system, leaving him Forsaken with no hope for a prosperous life.But he wasn’t going to let it end like this. Even if it meant trading his life for a single chance, he would take it. It was either a life of greatness, one where he would reach the very top… or a short one, dying here, unmourned and forgotten by a cursed world that never cared he existed.“An early end in pursuit of greatness sounds better than a slightly longer one filled with stagnation and regret.”In the end, all the things he had done hadn’t been for naught. The sacrifices up until now had been worth it.[Inborn Trait activated][System devoured][Inborn Trait is fusing with the system][Devouring System has been granted]To his surprise, however, his system proved to be far more extraordinary than the others, granting him a unique path that only he could follow.With that realization, one thing became certain: no matter what monster or human stood in his way, he would reach the very top of the hierarchy, regardless of the cost.

To be exact, the female lead is an “older sister” type, amid many beauties and handsome guys, she's no white lotus.Also, it's said that the name of this book is the same as a brand of sheep's milk powder.