I am not sick! Neither are my other personalities!

Summary

Zhou Zhen urgently seeks to return to Bin Hai Shi without alerting anyone. He contacts Shi Guang, who informs him that as a new member, he lacks the necessary permissions to use the underground passage. Zhou Zhen then decides to reach out to the Nine-Tailed Fox for assistance. After confirming the authenticity of a promise slip she gave him, they prepare to bypass the high walls separating Tong Fu Shi from the outside world. They navigate through a concealed entrance that leads to a spiraling staircase, descending into darkness. The Nine-Tailed Fox explains that the high wall is a result of a research achievement called the Klein Bottle, which allows crossing from the inside to the outside. However, the Klein Bottle has malfunctioned, preventing their escape. Realizing that a drop of “Digital Rain” on his shoulder may have affected the situation, Zhou Zhen concludes that he cannot leave and decides to keep the promise note for future use. He then uses "Flat Leap" to exit, leaving the Nine-Tailed Fox confused in the dark. Unexpectedly, the high wall transforms into a staircase leading upwards.

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