Please Answer 1990

Modern billionaire Fang Zheng accidentally travels back to 1990, where he is poor and neglected by his wife and daughter while bullied by a village bully. Determined to be the richest man again and make his family happy, he stands by his fat friend to fight the bully and defeat his opponents. Starting with selling late-night snacks and crayfish, he builds a factory and produces carbonated drinks. Using his past-life experience, he dominates the 1990s business world and begins a glorious chapter.