ear the Mu surname, deep down I know my father isn't just mine...""Do they bully you Does your father know about it"At the beginning, Dad thought we got along well. Later, Mu Fangfei and the others co...suddenly flashed in his mind: Could his sister be in danger"Little sister, big brother is here""There was no time to think about it any further. The next second, Li Si turned the doorknob and pushed o...