Beijing men's illustrated book

Why can't men have a guidebook for women in Tokyo, Beijing, and Shanghai?The hero is an unknown person, how can he get into the metropolis of Beijing?How does he survive in the Internet industry where people eat people?How does he perceive the lives of the males around him?This novel will tell you the answer! (This story is purely fictitious, and the place names that appear are both true and false.) Realistic novel, No.1 called single male lead, no female lead.