Time Travel: The Vicious Female Supporting Character's Counterattack

The original owner, who shares the same name and surname as her, had military parents, and she lived with them until she was eight. However, when she was eight, her parents died in a mission, and the eight-year-old girl, a child of martyrs, was sent back to her village to be cared for by her grandparents. According to the original novel, she is a vicious supporting character. After saving the male protagonist, he ended up with his cousin, leading to the original owner's love-hate relationship and ultimately her irreparable fate. Of course, after traveling through time, she didn't want to follow the original novel's plot. She wouldn't just pick up the male protagonist on the street, but she would rather play the bad guy. However, the attitude of those around her was surprisingly different from the original novel's. She seemed to have become everyone's favorite...