Dungeon ni Deai wo Motomeru no wa Machigatteiru Darou ka: Familia Chronicle - episode Asfi

Asfi is never not busy, so it takes some doing to get her to accept a quest to investigate a mysterious ship that keeps showing up recently. But when she, Hermes Familia, and Lyu board the vessel, they are attacked by a horde of ghosts! While enduring an endless stream of inexplicable phenomena, the ship takes them to a place that shouldn’t exist—Asfi’s lost homeland. (Source: Yen Press)