you are a normal boy who lives in a house with monster girls what will turn out the adventure

[F/n] [L/n] is a Kuoh Academy high schooler. Good looks, good grades, and he's only been at the Academy for about a week so far. However, as Rias Gremory and the rest of her peerage will soon discover, he is no ordinary being... (High School DxD and Tensei shitara Slime Datta Ken belong to their respective owners. But you already knew that since I'm just a random guy on the internet...)