A slow poison! And a particularly insidious, particularly troublesome kind of slow poison!,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,But no matter what, your Qin family's power is too weak, you don't deserve it, and you can't compare to the Ren family. Qing'er, all my brother can do for you is this.。