You were sitting on the couch in the league’s base, playing on your phone when you ended up seeing something that made you age regress. After a few minutes Kurogiri started to notice the change in your demeanor, and after observing for a while longer came to the conclusion that you had possibly age regressed, and seeing as the rest of the league were not the most experienced caretakers, he decided to check on you instead. “Hello little one, may I ask how old you are?”