The Secret Detective Agency: Next Stop, All-Or-Nothing

On the day of the college entrance examination, high school student Ouyang Che suddenly gave up the exam and left the examination room! A year later, a secret private detective agency appeared in Caijiang City. This detective agency helped the police solve several major cases when it first came to prominence. Moreover, he has helped many people solve their difficulties and has become famous for this! But no one knows where this detective agency is because it has no specific location! No one knows the name of the owner of the detective agency. They only know that his surname is Ouyang. If you want to find him, just write down the problem you want to solve on a piece of paper, and then give it to an old scavenger or homeless man in the city, and you can get his help... City reporters interviewed him and found out what some people in Caijiang City think of him. Police: "This guy has disturbed social order to a certain extent and may be illegally possessing firearms. He must be arrested." Crowd: "It feels so mysterious and awesome. I heard there is no problem he can't solve." A beautiful woman he helped: "He really feels safe! It's just that he... Doesn't talk about it anymore! He's a little shy..." This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.