Bleach: The Darkness And Healer (OC x Unohana)

One day in the Kurosaki family instead of giving birth to one child the family had two sons at a very young age and that child went down a rode which he follows to become strong.

Stronger than Shinigami, Hollows, Quincy's, and any other species he wanted to surpass them all and become the one at the end of it and above but once you reach the top what else is there to go for well here is your answer.

The story of the eldest Kurosaki child who feel in love with a powerful and deadly woman.

I don't own bleach just a fanfic so enjoy.