Alone in my King's Harem

Hanabishi a young maiden fell in love with the King after their night of coupling. But as the years go by, the King seems to have forgotten the young lady that once he had adored and admired. Later after, something happened with the kingdom that the King was ruling, how will Hanabishi be able to make the King remember her again through their situation that they were facing?

Based on the BL manga 'Harem de Hitori.'