Transmigrated into a book? A vicious female supporting character? A senior sister? Tsk tsk!

+++++Additional Notes: The main story focuses on cultivation, featuring a beloved main character and no romantic pairing. The side stories explore sweet romances and will include several different romantic pairings based on comments. Tang Xinyan, a seasoned office worker, finally achieved a promotion and raise, and was about to receive her million-dollar annual salary when the apocalypse struck! Fortunately, she awakened a spatial ability, so things weren't too dire. However, just as Tang Xinyan had accumulated enough crystal cores to settle down in the base, she was excitedly looking at apartments when a massive earthquake struck… When she opened her eyes again, Tang Xinyan found herself seemingly… shrunk?! Was it a dream? Or was she resurrected? Perhaps…