The System Makes Me a Traitor? Backhand to Upper Position

Traveling through the Chenghou Mansion, the good-for-nothing bastard, the system issues the first task: "Beat your step-mother immediately." Seeing everyone's shocked and angry eyes, I smiled slightly and slapped my father, Mr. Hou, twice. The moment the system's crazy warning sounded, in the dead silence of the entire Hou Mansion, I suddenly heard my father's heartbeat—— "Well done! This fake aunt should have been beaten long ago, but it's a pity that I'm not the real Marquis..." Me: "..."