After Transmigrating into the Villainess's Older Sister, I Became an All-Rounder

Shen Lu woke up in a book, where she had become the older sister of the villainess. She couldn't remember the story very clearly. All she knew was that her little sister failed to win the heroine's man, became obsessive and deranged, and ended up in a psychiatric hospital. In the end, neither of them got the house. Thinking of this, Shen Lu looked down at the villainess, who was tugging at her clothes in a babyish voice and asking for candy. She felt a terrible headache coming on. "Hmph. You can't even win a man, and you still dare to eat candy?" "????" Only later did Shen Youyou realize that her sister, who seemed useless in every way, was actually an all-around powerhouse. A completed novel by a friend: Married in Secret to My Idol's Rival by Feng A Feng Theme: Promoting truth, goodness, and beauty, and bringing warmth to everyone