Fuketsu no Goten (Palace of the Impure)

When a mysterious injured shinigami drops unexpectedly out of a senkaimon, Ichigo takes him in and cares for him. But when Byakuya learns of the young man and comes to question him, he is shocked to see the face of a younger cousin who was supposed to have died a hundred years before...MxM, mpreg...Ichigo/Tetsuya, Byakuya/Renji