C97 What are you doing here

Mu Qianyu fearlessly broke into Xiao Chengyi's study room.

Sui Yang stood at the side as the corners of his mouth twitched.

Other than Lady Mu, probably no one else would dare to so arrogantly barge into the Duke's study.

After entering the study and standing in front of Xiao Chengyi, Mu Qianyu suddenly didn't know what to say.

Xiao Chengyi did not look up at her, and only spoke indifferently