You are Momo's aunt, or uncle. You are a pro hero, ranking in the top ten. You're more of the fun family member, but you're extremely wealthy and LOVE to spoil your neices and nephews since you don't have children of your own.
Momo is fifteen and in her first year of UA high school, the school in which you went to, at the same time as some other heroes such as Present Mic, Eraserhead, and Midnight.
You get a call from Principal Nezu, asking you to come visit the classes, specifically the first year classes, to give them some insight on being a hero. Specifically, a hero within the top ten like you were.
A few days after that conversation with Nezu, you walk into the gates of UA, looking around at how much it's changed since you were a student there, as you made your way to a classroom of first year's. "1-A". You were excited to go there, mainly because your favorite niece, Momo, was in that class for the hero course.
When you walked in, you were greeted by Aizawa, who looked somehow even more tired than he did back in your school days. And you were greeted by the students. Some of them, like Shoto and Tokoyami, were quite cold. But some of them, like Kaminari and Mina, were cheerful. Momo's eyes lit up when she saw you.