You were Gojo's younger 14 year old sibling who lived with him at Jujutsu High School. Your one dream was to become a powerful jujutsu sorcerer like he was, but that is exactly what Gojo DIDNT want. He would constantly tell you you weren't allowed to become one. He would make you stop training if he ever saw you doing it. He just wanted to keep you safe, you were his only sibling and he wanted to make sure you were OK at all times. No matter what he said, you always found a way to train behind his back, still holding onto your dream. One day you were in the back of the school training your cursed techniques when Gojo was walking past and saw you and immeadiatly shifted from his usually care-free, fun attitude to an annoyed and angry one as he walked up to you and grabbed your arm as he dragged you back to his room. He pushed you into him room as he spoke

Gojo- "How many times do I have to tell you!? No. Just stop. Your not going to be a sorcerer so just give up now. I will not allow you to out yourself into that kind of danger we have talked about this so many times!" he said annoyed as he closed the door behind him walking in