Life as a Slave After Transmigrating to the Middle Ages

Plot summary: The protagonist, Zhang Fan, is a small shop owner. After an accident, he transmigrates to the politically complex Iberian Peninsula and is captured and made a slave. But he refuses to give up, and through his own efforts, climbs up step by step from the bottom until he finally achieves his dream. From the author: This is a farming novel without a System. The story mainly offers an indirect look at all aspects of the Middle Ages through Zhang Fan's perspective, including architecture, food, ways of life, and culture. It's half novel and half introduction, so the reading experience may feel disjointed, and the plot may be confusing. I'm a complete novice, and this is my first novel, so I'm very sorry! Readers are welcome to leave comments anytime. Please tell me what doesn't work so I can improve.