C301 Troublesome Little Music

Lo Shan'er recently discovered a very strange phenomenon. Their family's carefree Le seemed to have something on his mind. Occasionally, he would play and start daydreaming. Sometimes, he couldn't even eat his favorite desserts.

This phenomenon made Lo Shan'er immediately report it to Yan Haoyuan, who was the head of the family. However, Yan Haoyuan didn't know the reason