What if a 5 year old Izuku, despondent over learning he'd never get a quirk, was discovered by Kenshiro. And Kenshiro, seeing the boy's desire to be a hero and the goodness in his heart, decided to teach him Hokuto Shinken and make him his successor, a process he managed to complete in after 10 years and in time for the U.A. Entrance Exam?
How exactly would the world of My Hero Academia change with an Izuku backed by the legendary 1,800 year old Chinese assassin's art?