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.
Although my grandpa was
irresponsible in many ways,
Er war oft etwas leichtsinnig,
A pesar que mi abuelo
era irresponsable en muchas formas,
Grand-père n’était pas très sérieux,
Embora meu avô fosse
irresponsável de várias formas,