The Return of the Su

In my previous life, I, Qin Lang, could only watch helplessly as Qin Chuan closed his eyes in pain on my father's deathbed. This lifetime, I, Qin Lang, will exhaust every effort to pull you back from the clutches of the King of Hell!,"You are a quack doctor! Bring me a box of silver needles right now, or I'll kill you!",People say the two most challenging places in the world are the military and prison. Could it be that this nephew of mine had some kind of experience in prison。