What does sadistic novel mean?

Sadistic novels usually refer to those novels that describe the protagonist's perseverance and indomitable pursuit of his goals after experiencing setbacks, suffering, pain, loss, and other negative emotions, and finally achieve success or forgiveness. The audience for sadistic novels usually included readers who sought psychological stimulation, sadism, and wanted to see the protagonist suffer setbacks, be hurt, and be misunderstood. This kind of novel often has a strong emotional color, the protagonist's psychological state, emotional entanglements and other plots are more complicated, readers can read these novels to experience the protagonist's emotional journey and obtain resonance and inspiration from it. It should be noted that sadistic novels are not necessarily negative novels. They can also be novels full of positive energy. It's just that they pay more attention to the protagonist's emotional journey and psychological changes. By describing the protagonist's adversity, they encourage readers not to give up and face the challenges in life bravely.