Kakuriyo -Bed & Breakfast for Spirits- (2018)

S1E14 A Black Ship Arrives from the Southern Land

Aoi comes to the realization that Tenjin-ya is where she truly fits in. Just then, an airship from Orio-ya unexpectedly appears, bringing with it a long-haired ayakashi. This mysterious figure is adorned with a white mask, stirring up memories of the ayakashi from her past.