Reborn: A Middle-Aged Man's Reversal

A 40-year-old bachelor weighing 200 jin, a fatso who suddenly gets the Midlife Comeback System at a crucial moment while watching an erotic movie. He gets such a shock that he is electrocuted and reborn at the age of five. His parents, brothers, and sisters are all safe and sound. With the System's help, he turns his life around and makes up for past regrets, while gradually becoming the power behind a global financial empire. To the public, however, he is a famous star and a young genius. The story takes place in a parallel world, so please don't project it onto the real world.