Extreme Life Starts at Spending 100

Lin Yuan accidentally travels to another world, becoming a poor man with only a few dollars, struggling to eat and wear warm clothes with a bleak future. However, due to an accident, he activates an infinite cashback system, launching his cheat-like life where spending 100 returns 200! From today, he will dominate the city, act the toughest, and slap the hardest faces! Watch as the poor boy uses an external device to counterattack, win the beauty, and become the world's richest man!