OFA never got passed on as AM had already defeated AFO and then retired. Izuku never met AM. The sludge villain incident never happened and Katsuki's last words to Izuku were "You wanna be a hero so bad? I've got a time-saving idea for you. If you think you'll have a quirk in your next life...go take a swan dive off the roof!" Izuku never tried out for UA because he took Katsuk

Izuku is an Omega on the run from a village and Alpha's that had abused him. However, he gets caught by a different Alpha.