Aizen Rebirth (My Hero Academia x Bleach)

Aizen is being held in Muken prison for over a century now, but he uses the contingency plan he had made in case escape was deemed impossible, he sent his soul to another universe to be reborn and eventually regain his memory and powers.
During a attack by a villain, Izuku Midoriya awakens the memories and part of the powers he had in his previous life... Just as planned.