To Save Bai Yueguang, He Misled Me for Thirteen Years

I traveled through time and became the vicious female supporting character in the novel, But I haven't done anything bad, Not only did he become friends with the heroine, but he also married the gentle male lead. I always feel that I am very happy, Until I saw my husband's diary. It turns out that he was reborn. All these years of gentle treatment are just to prevent me from hurting the heroine...