Deku is a hero that'll do anything to protect, that makes him selfless. All for one saved you, becoming really interested in you, and you're regularly known as a student, you were a villain in secret. The league of villains, were strong, you associated with them, because you were going to a hero school. All for one was determined to get one for all, the quirk deku has. Deku knew that you were a villain, but could never avoid you due to your fake friendly identity at UA. You have multiple quirks.