Quickly Wear: the Yandere Male Protagonist Always Wants to Pamper Me to the Sky

(Quick travel + system + sweet pet + growth + interesting plot and no brainer) The heroine Lin Qianqian is bound to the system, and her mission is to "save" or "conquer" the male protagonists in each small world who are about to blacken or destroy the world. But she soon discovered that behind the so-called "mission", there seemed to be a bigger secret about her and the male protagonist's identity. Why are the main male protagonists scattered in pieces across the world? Was their meeting by chance or destiny?