Is It Wrong to Try to Pick Up Girls in a Dungeon? Sword Oratoria, Vol. 7 (light novel)

Using what clues they obtained in Meren, Loki Familia sets forth on an investigation of the Labyrinth District's renowned Daedalus Street. Their enemy's stronghold in front of them, they finally have the Evils right where they want them-. "You shall become the cornerstone of my ancestor's greatest work...the man-made dungeon Knossos." Only, an unimaginable labyrinth of darkness awaits, and with it, more terrors of its own: A cursed family lineage, their captain's old nemesis, the last of the evil gods, and even the red-haired creature woman, Levis. This nest of evil will prove to be Aiz and crew's greatest threat yet! "Farewell, Loki Familia...and sweet dreams."