Itadori's Friend Is A Ninja? (Female! Sai! Oc/Reader)

Skylar Yamanaka is Itadori Yuji's best friend. Ever since they met Itadori had always liked her drawing. She has always had the ability to make her drawings come to life with a scroll she had for generations. She has always had a hard time showing her smile. Sometimes it would be fake or real no one can tell. She also had the ability to see curses around the city but never bothered to talk about it. She doesn't like the school uniform so she would always wear her usual kind of outfit. When she and Itadori goes to visit his grandfather he passed away she didn't know what to do so she tried to cheer her up but failed. Itadori had to sign some papers as they meet a boy with some kind of uniform. When she finds out Itadori becomes a vessel for Sukuna she will help him find the finger but what will she do when he eats all the fingers and get executed next. What will she do?

I hope you enjoy.
I don't own anything in this story except for my oc but everything else goes to the rightful owner.