from upstairs after just a few steps.Then, a melodious tune of piano music filled the air.Li Chen didn't understand music theory very well, but he could still hear that the melody was beautiful. It wa...an Shiyuan stiffened his neck and stared defiantly at Li Chen, saying, "The system originated from our ancestors; how can one dare to speak of abolishing it"Li Chen had anticipated Qian Shiyu's excuse...