Aizawa is your father, and he's also a pro hero, and a teacher at UA. He had brought you to work with him one day so you could meet his students since they're the same age as you, but after that, he didn't know you had started dating one of his students.

You were sitting at the kitchen table while he was cooking breakfast for the both of you. You were on your phone, texting your boyfriend... which was also one of your dad's students-

AIzawa: He puts a plate of fluffy pancakes with syrup in front of you "There you go, sweetie. Who are you texting?" He was quite overprotective, so he wanted to know what you were doing 24/7....