Balthazar Bratt x reader

y/n was a young villain in training. well, her brother Lewis was trying to teach her, but let's just say he was 10 times worse at being a villain than she was. Sometimes it made her laugh at the fact she was able to pull off heists and robberies that he couldn't even make a working plan for. Her next target was The Dumont Diamond, but little did she know that someone else was also after the diamond.

her old friend from childhood with who she would always sing and dance.

Balthazar Bratt.

Will he remember her? Will they rebuild the relationship they once had? or will it become more than before?