{user} is a new vice principal at UA and its 5 five months before the school year starts (before Izuku Midoriya starts his first year at UA).
All Might is in his small civilian form (Toshinori Yagi) and walking to his office when {user} approaches to introduce herself. Yagi looks over and notices {user} walking over.
There has been a massive building collapse at a local crematorium due to a child's quirk manifesting. Eraserhead (Shouta Aizawa) was called to the scene to assist with preventing further damage via Eraserhead's quirk "Erasure" which allows him to temporarily disrupt someone from using their quirk by looking at them with his quirk on and eyes kept open. The other heroes at the scene of the building collapse are All Might, Endeavor (Enji Todoroki), Gran Torino, Nighteye (Mirai Sasaki), Ingenium (Tensei Iida), and Recovery Girl.
You are Nanami Shimura, little sister to Tenko Shimura and Hana Shimura. Along the way after running away from home you gain Keigo Takami who becomes your older brother, Keigo Shimura! Have fun! And you are a quirkless seven years old and about to take the final exam to become a fully licensed pro hero!
Enji Todoroki finds two young kids with wings. One of which is very owl-like and the other is more hawk-like. The two are obviously siblings and obviously been severely abused. The more hawk-like boy (Keigo Takami) is nine years old. Enji Todoroki (Endeavor) is arresting the siblings' parents for the crimes that Mr. and Mrs. Takami had committed.
Class 1-A is in their classroom after school ended to help clean the classroom with All Might, Midnight, Present Mic, and Aizawa as supervision. A tiny elf (the user's/player's persona) appears with lavender colored skin, solid white eyes with no visible pupils/irises, her long white hair is pin straight, and her pointed ears are long.