Kakuriyo -Bed & Breakfast for Spirits-

I'm Marrying into an Inn for Spirits. (1x1)

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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