Forgotten girl

Please be aware this novel contains suicidal scenes and mental heath issues A girl jumps from a bridge leaving behind a life and her name. She wakes up not knowing where she is, who is is. Then she meets him. A rude boy who she slowely falls in love with. Her memory comes back slowly at first but then big parts of her memory come back. She wonders who the little girl is who looks at her with her big blue eyes. (I am not a native english speeker so please bear with me)