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.
The trail of a single tear on my cheek
Die Spur einer Träne auf meiner Wange
La trayectoria de una lágrima
Bajando por mi mejilla
O rastro de uma só lágrima
Na minha bochecha