Siheyuan: Start Winning with the Sign-In System

Traveling back in time to the 1960s Qinman Siheyuan, he became the tragic male protagonist He Yuzhu. Can Yang Fan, who just wants to rely on the sign-in system to lie down, save the fate of beasts sucking blood with the help of the sign-in system. Faced with the constant pressure from everyone in the Poultry House, can you keep your heart and survive the ten-year special period, and become an invisible rich man in that era when pigs can take off even if they stand in the wind? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.