Quickly Wear: She Is Always Held in the Palm of the Hand by the Yandere Male Protagonist

Xia You is bound to a quick travel system. System: [Host, our mission is to conquer those dangerous and paranoid yandere villains, and make them let go of their obsessions and save the world! Xia You nodded obediently: "Okay." Then—— If you encounter these, call the police and run as fast as you can! !