When the raindrops pricked the back of Chen Mo's neck like a rusty needle, he was squatting in the back alley of a convenience store counting coins. Three coins are one yuan, seven coins are 50 cents, which adds up to 4.5 Yuan, which is a full 79.5 Yuan short of the rent at noon tomorrow. The phone vibrated in his trouser pocket, and the message from the landlord Sister Zhang was like a reminder: "Xiao Chen, if you can't pay it in tomorrow, please move it. Someone is willing to give me two hundred more."