Prices Depreciated, and I Became the World’s Richest Person

Read manhua Prices Depreciated, and I Became the World’s Richest Person / Richest Person / 开局物价贬值，我成为了世界首富
I woke up to find the world had changed! Prices everywhere have decreased by a million times, yet my funds remain the same, making me wealthier than the world’s richest person! How should I spend all this money…