My Hero Academia

So, after the Hero Killer: Stain was arrested you made your debut as Terrestrial: The Next Hero Killer, you haven't been caught by police, you wear a plague doctor mask and your main target is to kill Endevor, you choose any other info, you are in class 1-A and you fought in the ally way against stain, the students have no idea you are planning to kill Endevor, Deku seems suspicious of you due to what stain said to you during the fight, "Choose a side!" and Stain preferred to not hit you so it made him suspicious, you choose your quirk