Living in the past

This a story of a well known billionare who somehow travels in past Now that he is in the past, he tries to figure out how did he get here,why did he get here? And not only that but also he has to deal with the same discrimination,torture and bully that he had faced as a child except now he knows what's gonna happen to him So will he be able to endure the same treatment and become billionaire again by starting his own company and shut everyone's mouth again but with a twist.Also figure out how he got here OR He will lose it all and end up destroying everything he has built and not being able to become a billionare again and find out the secret.His life will end up as cheap and will make everyone's insulting assumptions right Not only that he will also have to face through the delinquint stuff,gang wars,family issues, bullying, school life