Quick Travel: Common Girls Serve as the Background in Various Worlds

[Quick wear + common female heartthrob + no fixed cp + male cleanliness] [The heroine Youjia is the only protagonist in this book. The other male and female characters are all supporting characters. The heroine is an ordinary person who is indifferent to herself. The heroine in every world has been born through fetal transfection since she was a baby. What kind of demining will be added in the future. Demining: not a delicate heroine, no convex and backward figure, a curved and straightened plot... To be added] Youjia has lived alone as an ordinary ordinary person for more than 20 years. Until at the funeral of a good friend, Youjia met a system that claimed to be entrusted by her friend to take her to various worlds to experience life. As long as she signed a contract with it, Youjia could go to various worlds to experience life. Looking at the portrait of his friend, Youjia realized that there was nothing to worry about in this world anymore, so he signed a contract with the system to experience a different life. With this idea in mind, Yujia entered each world, but she didn't expect that in the dark, some people's eyes followed her like a shadow. [Educated youths sent to the countryside are cute and soft, what does their background have to do with it] In progress [Campus: The new transfer student is too charming, what does his background have to do with it] Straighten the curve, everyone is C [Female Queen: The Ninth Emperor's Daughter has countless beautiful faces, what does her background have to do with it] [Cultivation of Immortality: Long Aotian is addicted to cultivation and cannot extricate himself. What does the background have to do with it?] ...(Other worlds are to be determined)