Is It Wrong to Try to Pick Up Girls in a Dungeon? on the Side: Sword Oratoria, Vol. 4, Paperback

(Volume 3) After the tumultuous events in the Dungeon, Aiz has finally reached the vaulted Level 6 But in spite of this amazing news, the Sword Princess seems to be completely depressed. There are two reasons. The first is that she finally managed to meet the white-haired boy again, but once more, he ran away from her with everything he had. The second is that the monster tamer she fought so hard against knew her name--a name that absolutely no one else should know, and yet...Meanwhile, from the depths of the Dungeon comes a mysterious crystal ball that's about to plunge both underground and surface worlds quietly into chaos