(Y/N) (L/N) life changes after becoming the successor of the World Renowned hero Nana Shimura but will his newly developed romantic feelings for her get in the way of both their hero careers
Following a different timeline of events, All for One is still alive but dying. Nana Shimura is the current OFA bearer and in her prime, feeling as though he needs a successor to demolish Hero Society he choose Y/n Midoriya and implants a Dark Quirk within him to claim any and all female Pro-Heroes and Students.
Credit goes to Azuremegacyber on Hentai Foundry.