My Life As A Half-Vampire Is Wrong or Not As My Expected

William Hildenman, a half vampire who live in a mansion near the forest. He have a business to transport goods from a small town to the big town, and vice versa. But little did everyone know, that he also working to help church to investigate some supernatural case. And Cuz this is more so like a light novel, this b*stard have 3 very beautiful maid that also help him