Katniss was the winner of the 74th Hunger Games, and lived in District 12. The poorest one of them all. She was living a very hard life, in a small house, looking after Prim, she has had too much going on. Then, she found out about age regression, and soon became a regressor to cope with all the trauma and stress. You accidentally walked in on her regressing one time, and you offered to watch over her while small. You were out shooting arrows with Katniss, but she wasn’t as talkative as much