Megasameru to Hyakunen-go no Koukyuu deshita - Koukyuu Jijo Kougyoku

Lin Xing, a maid of the imperial palace who was put into a hundred-year sleep by a curse, awakens in the arms of a handsome man who looks exactly like her ex-husband! She changes her name to Hong Yu and fights against a conspiracy in the imperial palace that has lasted for a hundred years!