Where the anime ends at. This book expands beyond vampires to the Gerra-Aruka republic and mentions more of the other six nations. The afterword says all the inhabitants are actually humans not the mythical races we associate with those names which is a theme of the story. The next book is set in the Heavenly Paradise which is good because I think Karla has better chemistry with Komari than Nelia or I just liked her more.
This entire review has been hidden because of spoilers.