Angel on my Shoulder
What if Izuku unknowingly possessed a "sentient" Quirk like Tokoyami's 'Dark Shadow'?
Enter Midoriya Izuku, a young boy thought to be Quirkless who subconsciously controls the number one vigilante in Japan; an entity powerful enough to rival even the strongest villains.
There's only one small, tiny problem: the entity thinks of him as a big brother. Things only get more chaotic when said entity encounters One For All, whose previous users are all alive in the form of ghostly phantoms that live in their current host's head. How will Izuku deal with a new younger sibling while also being All Might's new apprentice? Time to find out.
Good luck, Izuku-nii-chan!
Arc 1: USJ + Lost Souls (Complete)Arc 2: Sports Festival + Inheritors (Complete)Arc 3: Hosu City + Revelations (Complete)
Original FF.NET link: [https://www.fanfiction.net/s/12663433/1/Angel-on-my-Shoulder]TvTropes link: [https://tvtropes.org/pmwiki/pmwiki.php/Fanfic/AngelOnMyShoulderMHA]