The Super System of Business Empire

A super all-powerful system from 50 years in the future that has all the technologies of the future. After it was developed, he was hired by himself to travel back to 50 years ago. He possessed himself, who was just a senior in high school, and began a life of revenge on his ex-girlfriend and her boyfriend! Using the almighty power of the system, he slowly trampled on his enemies who mocked and bullied him one by one, and the business empire slowly grew from picking up spoils... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.