A farming novel with a single female protagonist. The setting of this book is only hardcore, hardcore, hardcore. If it is too toxic, please leave a message in the update section. It will definitely be changed. If not, there will be feedback! This book is about what an ordinary college student can do if he travels to the fictional ancient times in 26 years. Because I was very afraid of death, I started to build infrastructure, farm, dig canals, and open sea trade. More than ten years later, tell me, why am I invincible? ?