Quick Transmigration: The Original Heroine Wants Freedom, I Want the Lovesick Hero

[Quick transmigration + no competing with other women + no vilifying the original female lead + 1V1] Lin Xi had finally paid off her student loans and saved some of her salary. She planned to take some time off and go on a trip. She wanted to relax, but, as luck would have it, the bus she was traveling on rolled over. She was the only person on the whole bus who died, just like that. Lin Xi felt she had died an incredibly unfair death. Just as her resentment was surging, she encountered a System that asked her to take the place of the original female lead in various worlds. She was to become the heroine of a yandere male lead. The original heroine had dreams of her own and didn’t want to be kept like a canary, but Lin Xi was more than happy to. How wonderful it would be to have someone provide for her! The yandere male lead gives her the finest clothes and shoes and makes sure everything is perfect. His only flaw is that he won’t let her leave the house. Lin Xi’s eyes light up. How could anything this good be real? She agrees immediately. With conditions this good, even hesitating for a moment would be disrespectful to money. All kinds of yandere worlds [CEO, prince, mermaid king, nine-tailed demon king, god of war, prince, educated youth, school heartthrob, base leader, savior, ex-boyfriend, senior student, junior student, interstellar marshal, emperor, regent, disinherited crown prince, scholar…]