Start: I Kneel Down to the Noble Family!

Xiao Beixuan has been dependent on his younger brother since he was a child. What his parents told him before they died was to take good care of his younger brother... His younger brother was poisoned and he didn't have much time left. He could only kneel down and beg for medicine from the family! That day, like a dog, he begged the family... A few years later, people called him...