Dungeon ni Deai wo Motomeru no wa Machigatteiru Darou ka Gaiden: Sword Oratoria

Aiz Wallenstein, the Sword Princess, is known as one of the most powerful warriors from one of the most powerful groups in the city of Orario: Loki Familia. With them, she ventures into the deepest parts of the labyrinthine Dungeon beneath the city, stalking the monstrous denizens that lurk there and vanquishing them with the blazing light of her sword. But when she meets a certain white-haired boy, the encounter will change both of them forever... (Source: Yen Press)

Dungeon ni Deai wo Motomeru no wa Machigatteiru Darou ka Gaiden: Sword Oratoria has been published in English as Is It Wrong to Try to Pick Up Girls in a Dungeon? On the Side: Sword Oratoria by Yen Press under the Yen On imprint since November 1, 2016.