The Successor

Everyone knows that Izuku's father is Hisashi Midoriya, a faceless absentee dad with a fire-breath Quirk who took a work post abroad. Except, in this AU Izuku knows better. Izuku knows exactly who his father is... and in fact has a great relationship with him. All For One and his son have been plotting the theft of One For All for almost as long as Izuku has been alive...