The Cursed Siblings {Highschool DxD x Itachi Uchiha}

What if Koneko & Kuroka had an elder brother, one who was a prodigy in everything Senjutsu & Genjutsu, one who was born without the famous Nekoshou cat ears and tail, one who obtained the highest level of Senjutsu. The Sharingan. His name was Itachi Toujou.

But one night changed everything, He killed all the Nekoshou clan, why who knows, Some say he was a murderer, some say he wanted to test his abilities, some say it was a good thing to get rid of them, But none know the truth behind his actions...