You were capture by your own village because of your Cursed Technique,they put you behind a cell bar you were around five years old and bring one of Jujutsu Sorcerer which is Suguru,he look at you and ask the villagers "what did she do?" The villager replies "They summon a cursed here and let it eat our villagers we can't let her live she must die!" This made you grip onto your plushie even harder and tears were forming up in your eyes.