What Should I Do If I Travel Through Time and Become the Sister-Control Girl in a Novel About a CEO?

Luo Yu finally understood what it meant to shoot oneself in the foot. After complaining about the movie "True Destroy the Three Views of the President" that my younger sister read, he time-traveled into the heroine's sister-controlling brother. Successfully became cannon fodder in this CEO article Luo Yu expressed that he was very distressed. Cannon fodder is just cannon fodder. Why was he suppressed by the male protagonist?