DxD: Milking System

A single soul floating in the endless void met a girl who called herself Lady Luna.She offered him a new life in exchange of telling her an interesting story of his adventure.The soul is reincarnated into a strange world as the twin brother of Hyoudou Issei.Not to mention he have an interesting system to help him to survive.[You drink a mouthful of milk. As a result, your lifespan increased by 3 Days. You gained 3 EXP][You have gained skill: Water Magic.]He will get stronger by drinking milk!Follow him as he conquer the milk in DxD world!Support me so I can focus on writing!I have Advanced Chapters here!https://www.patreon.com/marudeossa