She doesn't know

Y/n is the badass of the town she's 18 and a senior she's a street racer and street fighter she has people after her when her parents friends died she promised to protect their daughter

Lauren is an 18 year nerd in her senior year of high school she finds it weird she's the only nerd that doesn't get picked on she also hates y/n but what happens when Lauren finds out y/n has been protecting her for 5 years