Action

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.