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!,The doctors in this world can't cure this poison. Who is it, and what kind of grudge do they have against their father to inflict such a deadly blow,"You, you dare call me a quack You dare question me I am the most authoritative expert doctor at Southwest University Affiliated Hospital, a doctoral supervisor, I..."。