Meeting a Yandere in Another World? I Have No Choice but to Be Invincible

[Single heroine, nurturing double yandere, love from campus to urban workplace, childhood sweetheart, more daily life] I am in another world and my sweetheart has turned into a yandere without my knowledge. What should I do? She had no choice but to step on the second generation of rich and official people, crush the top students, step by step to the top, conquer everyone and herself, and just survive. The emotional basis is based on the male and female protagonist's growth experience, so please be patient and watch the early foreshadowing. The yandere Qiu Ruoshui: Brother Haomiao, I will find you even to the ends of the earth and across the world. If you dare to leave others, you will be punished when I find you. Qiu Haomiao turns into a yandere: Falling in love with a yandere is a story, falling in love with a yandere is an accident, but the most advanced predators often appear in the form of prey