C21 Internet-addicted Adolescent

"Nothing, nothing." Mu Qingqing was lost in thought. When she came back to her senses and saw Mu Yichen staring at her suspiciously, she realized something was wrong with her expression.

Mu Anren and Su Cuiyun were arguing on the third floor, while Mu Xiaoyou and Mu Yichen didn't hear anything. Mu Qingqing sat alone on the sofa in the living room and sneered.

"Sis