Prologue: Behind this nerd, is a girl with a gun

Eva watched a horrific death of her mother as her father beat the life out of her, that too when she was 7. She vowed never to let anything to happen to her. And that was when she became a fighter. She was called miss death on the streets.......
But at school, she hid herself behind the nerd mask. Nobody knew about her secret. so why do everything change when suddenly a new boy comes to school......