Xiaoye is an intern in the Information Section of the Space-Time Management Bureau. The internship task assigned to her by the section chief is to travel through different worlds. The bureau will arrange for her to stay with the protagonist or the villain boss (host) for a period of time (variable). At the end of the period, she needs to write an internship report and submit it.
Host mechanism
1. Have a natural affinity for the host
2. Xiaoye and the host will have a certain degree of telepathy (two-way)