Is It Wrong to Try to Pick Up Girls in a Dungeon? On the Side: Sword Oratoria, Vol. 13 (light novel) — Fujino Omori

The curtain closes on the frenzied legend of the War of the Destroyer -- a tale that shall never be passed down in the annals of history -- and normal life returns to the Labyrinth City of Orario. Saddened by loss, Lefiya parts ways with her past and seeks a new power, hoping to become a magic swordswoman. The Thousand Elf grows by leaps and bounds, displaying an unwavering devotion to her studies, yet the reminder of her lost companion haunts her, driving Lefiya to live faster and recklessly. While Aiz and the others wonder what they should do, everyone's favorite home away from home arrives in port, signaling the start of a new adventure!