Skeleton Knight in Another World (Light Novel) Vol. 7 - Ennki Hakari

HERE THERE BE DRAGONS! Arc, Arianne, and Chiyome fight their way through hordes of undead to Nohzan’s capital, seeking to save Princess Riel—but are waylaid by Cardinal Palurumo, who is revealed to have been an undead creature all along! Meanwhile, another Dragon Lord enters the stage. A gorgeous lady Dragon Lord, who’s got her eye on Arc!