C429 Solution

Early in the morning, Chen Xiaosi's room door was opened wide. Dang, dang, dang, dang … It was a very rhythmic sound.

Chen Xiaosi rubbed his eyes, he was not sleepy at all.

He had to do it even if he didn't want to. That brat, Ling Zhu, urged him to get some Corn of Genuine Qi for her every day, saying that he owed her something.

Chen Xiaosi thought about it carefully