Truth Hurts

Tomura Shigaraki being the grandson of Nana Shimura wasn't the only bit of ground breaking information All for One said to All Might on the day of their final battle. instead he revealed something that would throw the entire world as he and his successor knew it, into something they refused to believe. Midoriya Izuku is the son of All for One.

Hearing his fathers voice coming from the villain destroying Kamino Izuku looses his composure and accidentally screams his fathers name during their battle. this reveals his hidden location leading to his father to snatch him up by his legs and thrust him through a warp gate. Dr Garaki has a special plan for the son of his master.