My Destiny Has No Identity: I Have Thousands of Identities in the Heavens

When Wan Xiang woke up, he found that he had traveled to a magical plane, where there were magic, immortals, curses, monsters, and human fireworks. At the same time, he was also entangled, entangled in an extraordinary and unique system. As generous as other people's systems were in providing benefits, his system was as cruel as it was to kill him. In this mysterious and unpredictable dimension, Wan Xiang will act as a librarian and play people with different identities, intervening in the overt and covert struggles between various forces. Can he survive by completing the tasks assigned by the system without having his identity discovered?