Ruri no Kaze ni wa Hana Nagareru Series(2006)

Ruri no Kaze ni wa Hana Nagareru Series

"You've always belonged to me since long ago." In order to get revenge against the enemy nation, who destroyed her own country, Hina decided to become their crown princess. However, she cannot help being attracted to Ashiru, who's supposed to be her enemy. (Source: Aerandria)