Female, the designer of the touchscreen tank, touchscreen airplane, and space rocket at the Rocket Association. She is also a time traveler who wore a book to this world. She was hired by Su Xixi (Ruan Xizhi's original identity) to handle a difficult client before the apocalypse. She is straightforward, loyal, and skilled in technology and rocket design. She suspects Ruan Xizhi may also be a time traveler after testing her with the space rocket diagram.
