The Unleashing Chaos: UA vs Villain

One day it's perfectly fine in Musutafu, Japan at UA. It's normal and "peaceful" everywhere...until..suddenly, Izuku Midoriya, a student at UA goes missing. He left now traces of him except his All Might filled bedroom in his dorm. All of Class 1-A, Aizawa, and some Pro Heroes helps to find him. Except every night,Aizawa, Pro Hero ErasureHead and a teacher at UA High keeps getting nightmares of The League of Villains and Izuku. Maybe..Izuku is really okay? Why is he with the League? Are they involved with anything? Are they planning anything? So many questions.