There's a Secret in the Basement at Tenjin-ya (S01E12)

S01E01 I'm Marrying into an Inn for Spirits S01E02 I've Found a Job at the Inn for Spirits S01E03 I Took a Trip to the Capital of the Hidden Realm S01E04 I Looked After a Snow Woman and an Earth-Spider S01E05 I Should Not Forget My Promise to the Ayakashi S01E06 I'm Opening up an Eatery in an Ayakashi Inn S01E07 Taking A Walk with the Master in the Rain S01E08 Shopping with the Nine-Tailed Young Master S01E09 An Elderly Ayakashi Couple's Wedding Anniversary S01E10 A Rival Has Arrived at the Ayakashi Inn S01E11 The Nure-Onna Bath Caretaker and Her Shiranui Teacher S01E12 There's a Secret in the Basement at Tenjin-ya S01E13 A Grand Banquet at an Ayakashi Inn S01E14 A Black Ship Arrives from the Southern Land S01E15 I Was Abducted from an Ayakashi Inn S01E16 The Twin Chefs and a Rain Woman from a Rich Family S01E17 The Secret of the Ceremony in the Southern Land S01E18 A Big Fight between a Tengu Father and His Son S01E19 A Silver Beast on a Moonlit Night S01E20 Traces of a Dream in the Dragon Palace S01E21 Orio-ya's Young Hostess and Young Master S01E22 Raiju's Warning S01E23 The Sealed Power and the Opening Heart S01E24 Life-or-Death Hunt for the Gem Branch S01E25 A Fireworks Event with Ayakashi S01E26 Delicious Dishes are Served at the Inn for Spirits