How Do I Save My Male Supporting Character Senior Brother?

Shao Zhiyou and Song Yiyi were senior and junior fellow disciples from the Jiuyan Sect, but later became sworn enemies. It is said that one day, they argued over a woman, and things eventually escalated until they broke with each other. Song Yiyi transmigrated into a book, but she had no name in it. Shao Zhiyou was a male supporting character, while Xie Sixue was the heroine and Wu Hualuo was the hero. Because of the heroine, the supporting character would clash with the hero, eventually becoming estranged from everyone, and the Jiuyan Sect would be destroyed as well. Song Yiyi tried every way she could to stop him and persuade him, but Shao Zhiyou still rescued Xie Sixue from the brothel. They had barely stepped out the door when they ran into the hero... Song Yiyi: "..." What was she supposed to do? She wanted to beat her senior brother to death! Theme: Face every day with happiness and live a positive, uplifting life.