Skeleton Knight In Another World (Manga) Volume. 11

A GATHERING STORMAriane returns to her homeland to train with her elder sister, Eevin. There, she finally begins to feel confident in her abilities. But her happiness is short-lived. When Chiyome sends news of the Holy Hilk Kingdom’s latest atrocities, it’s up to Ariane and Eevin to save their elven comrades!