Time Travel: I am the Idle King Li Shen and Li Shimin in the Tang Dynasty

Have you ever thought about what it would be like if you traveled back to the ancient world without a system or cheat codes? You weren't a physics or chemistry doctor, nor a historian, but simply an ordinary person. Your knowledge was limited to movies, TV, short videos, and media platforms. How would you survive? Let's see how an ordinary person, who traveled back to the body of Li Shen, the tenth son of Emperor Taizong of Tang, thrived in the Tang Dynasty with only a limited amount of knowledge and over 30 years of life experience.