From Nothing to the Richest Man in the World

An orphan with nothing accidentally got a book. There were only two technologies recorded in the book. Because of these two technologies, the orphan took off and traveled around the city unrivaled. There is only one female protagonist in this book. If you don't like it, don't enter. She is just to satisfy her own wishes in life. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.