The Turbulent Spring and Autumn Period When Rituals Collapsed and Music Collapsed

Du Ruan is a history graduate student at T University. He loves studying the historical materials of the Spring and Autumn Period and the Warring States Period. That day, he was reading a passage about Lu Buwei's dominance in the research room. He didn't know who gave him a blow behind his back, but he managed to travel to an unknown era and was trying to figure out how to go back.