Rebirth from 0 to 1

Shelly Natsu is a girl who suffered too much from school bullies' torment and died when she fell off a school building. After her death, she actually reincarnated into her classmate, the tall, rich, and handsome Ewan Duncan. While she begins her counterattack and takes revenge, she also begins an ambiguous relationship with Ewan's best friend, who was previously Shelly's secret crush. The most motivational story of all begins!