I Have Mastered the Weapon of Causality

Lin Xiu: "How to make one million?" System: "Deposit 40 million in the bank." Lin Xiu: "Oh no, how do you make 40 million?" System: "Deposit 1.6 Billion in the bank!" Lin Xiu: "Are you a causal weapon? Are you just kidding?" System: "Now I will show you how to make 1.6 Billion." Lin Xiu: "What the hell, hurry up!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.