The Witch's Servant and The Demon Lords Horns

Chapter 57: The Witch's Servant and the Legendary Sword
Chapter 56: The Witch's Servant and the Free One
Chapter 58: The Witch's Servant and the Date
Chapter 56: The Witch's Servant and the Free One
Chapter 58: The Witch's Servant and the Date
The Eternal Vivian is dying from an unknown disease and must rely on her young apprentice Betty and her servant Arsenio to make the cure. Unfortunately, one of the ingredients is Horn of the Demon King- something completely out of reach of the two. Luckily, on the first expedition to the Demon King's Castle they meet a girl(?) who may be able to help them out…