HighSchool DxD - Legend of 72 Pillars The Uchiha Clan Part 1

After the one of the pillar surving was uchiha with one women with pergant and she gives birth to a boy named Yin Uchiha ,he also grandson of Madara Uchiha.After his mother died Sirzechs Lucifer take care of him secretly and trains him when he unclock sharigan and later mangekyou sharingan and replaces with Eternal mangekyou sharingan his mother.Sirzech give scroll of his clan and also due to pure blood devil and a uchiha he also unclocks Rinnegan at a very young age and he was a prodigy.Sirzech tell him to join Rias Gremory his sister's peerage as Knight inorder to protect her and also she is her fiance but she and nobody knows becuse it was written long time ago only now him,Sirzechs and his wife knows.Sirzech also know he is stronger than his age and could keep up with him years later.But then he fell love with her during his journey and also they are childhood friends.Life changes after Certain Incidents......