Soft-Hearted but Powerful

Chen Yu, a top student at Qingbei University, was reading a book in the library one day when his head suddenly started spinning. When he woke up, he was transported back to the ancient times when people had just learned how to drill wood to make fire and hunted wild animals for a living. Chen Yuhun is worn by an 18-year-old boy who is also called "Chen Yu". The system awakens when Chen Yu travels through time. The system will change the book to Chen Yu if he asks for any type of book. Chen Yu saw that the conditions in the ancient times were so difficult and asked the system to create corresponding books, learn corresponding knowledge, and use technology to invent matches, iron pans, salt, soy sauce, pistols, AK47s, learn breeding knowledge, raise pigs, grow potatoes, mobile phones, computers... To make the people of the ancient times live more happily. And the steps for inventing and creating new things in the article are all asked by AI and Du Niang, so don't take it seriously. I can't judge whether it can be replicated in reality. In that aspect, just watch and play. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.