Chapter 133: Mu Family Army, Second Brother In the narrow alley, the four siblings walked quietly toward the private school. On the surface, they looked calm, but each of them was preoccupied with their own thoughts. Even the youngest, Juanjuan, had gotten used to thinking things over in her little head. Because she often heard her family members talking all at once, Juanjuan had even developed the ability to multitask. Though it was a bit tiring, and sometimes her little brain would get…