The Vexations of a Shut-In Vampire Princess, Vol. 4 (light novel)

With the conclusion of the Six Nations War, Komari's life finally starts to settle down...or so she thinks! At the behest of Karla Amatsu, a commander from Heavenly Paradise, Komari is sent as an envoy to a far eastern nation where a major crisis lies in wait! Will this vampire princess ever catch a break?