C248 His Wish Failed

When Mu Yu and Mu Chen came out from the study room, the sky had already darkened. In the courtyard, Mu Ke and Mu Jin was arguing with each other for some unknown reason. The moment they heard their voices, they immediately stopped and respectfully placed their hands behind their back, stood straight, and obediently called out: "Big brother, second brother."

Mu Yu and Mu Chen continued to chat