Fall in Love Before They Destroy the World

Regarding the incident of watching three women fighting but being sent back to college by Universiade, Lu Yan, although his memory was incomplete, could only remember this incident very clearly. The system then bound him. And told him that the future world will be destroyed by three fallen girls! My mission is to find these three fallen girls and attack them ruthlessly! Reduce all its corruption points! Those three women turned out to be fallen girls! What I didn't expect was that I wanted to capture them myself, right? Why are they attacking me instead? The class beauty who always looks cold and arrogant said: "Lu Yan, whatever you want, I will give it to you." The eccentric and moody president of the club: "Lu Yan, you have to stay here all day today!" The gentle senior sister who is one year older than him: "Lu Yan, you can do whatever you want by calling me senior~!" What was even more unexpected was that after the depravity points of the three of them were greatly reduced, they became increasingly dissatisfied with each other! Stop fighting! What's even more unexpected is that the three of them have already obtained the system! ..................... This book is also called: [Obviously I just want to save my life, but they are targeting me] [How come the favorability level increases after losing the corruption value?