Hitting You Hurts My Heart Twice as Much

I dressed up as the vicious master who abused the male protagonist in the fairy tale. The system warned me: if I hurt the male protagonist one point, I will suffer double the backlash. So I cracked my whip coldly on the outside, but secretly I was in pain and sweating profusely. The day the male protagonist turned black, he pinched my neck and sneered: "Master, do you still remember the pain of the whipping?" He tore my clothes apart, only to see the festering wound under the collarbone that corresponded to the location of his youthful whip marks. "Does it hurt?" I coughed up blood and smiled, "Every time you get whipped... The rot here becomes deeper..." The power of the Fallen Immortal instantly lost control. He tremblingly hugged my falling body: "Stop... Contract, stop!"