Dungeon ni Deai wo Motomeru no wa Machigatteiru Darou ka II OVA

Bell and the Hestia Familia accept a quest to collect rare medicinal herbs on a deserted island and decide to treat the trip as a chance to recover from their recent ordeals.

The promised vacation quickly becomes chaotic as competition for Bell's attention mixes with a familiar face appearing where no one expects one and increasingly strange events across the island.