Is It Wrong to Try to Pick Up Girls in a Dungeon? On the Side: Sword Oratoria, Vol. 11 (manga) — Fujino Omori

After the dangers of the battle on the fifty-ninth floor, Aiz and party expect their journey back to the surface to be a piece of cake. Unfortunately for Loki Familia, the Dungeon has additional trials in mind…
Faced with dwindling supplies and many wounded companions, the expedition team takes shelter in Under Resort on the eighteenth floor to rest and recuperate. They've just begun to formulate a plan when an unexpected visitor arrivesâ€"none other than the newly minted Level 2 adventurer Bell Cranell and his party! Will his sudden appearance help or hinder Loki Familia's way home…?