On her way to school, Aoi, who can see ayakashi, encounters an ayakashi she's never seen and is abducted to Tenjin-ya, an inn in the hidden realm. There, she learns that her grandfather promised that she'd marry the master innkeeper to pay off his debt.
What brought you to an 
obscure place like this?
Was führt dich den ganzen Weg hierher?
¿Qué le trajo a un sitio
tan apartado como este?
Comment es-tu arrivée
jusqu’ici, Aoi ?
O que a trouxe a um
local obscuro como esse?