Luna doesn't like her online studying, so she always complained about her life. One day, the system errored and she was transmitted into Angkor's ancient period, where she was assigned to help the King learn about the new educated system and the future technology world.
*Notice: This is fiction novel, no plots in this are true; it might depend on some historical event but not all are followed by the history in order to make it more interesting.
*** Please do not rate upon the real history, since this is just for entertainment purposes. ***