DxD: The Beast in Human Form

Mr. and Mrs. Hyoudou found a baby, a little boy in a abandoned shrine, they adopted the child and named him Issei. It turns out that Issei is the wielder of Ddraig and what is more important, in his body the 666(Trihexa) beast is sealed. Non-perverted/Intelligent/Powerful/Neutral Issei. Rated M. Issei x Harem.