The Perks of Being an S-Class Heroine, Vol. 3 (manga)

Between aura training and running her booming potions business—and not to mention, meeting and fighting alongside the male protagonist of the novel—it’s finally time for Ailette to take a well-earned vacation! But it wouldn’t be an S-class difficulty world if there wasn’t a dungeon nearby (albeit a dormant one), that Ailette promptly jumps into for the free items—though there’s one treasure waiting for her that she never could’ve anticipated...