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.
Shiro was an unusual human who could
go back and forth as he pleased
Shirō war ein ungewöhnlicher Mensch,
der sich nach Belieben
Shiro era un humano fuera
de lo común
Shirô était un humain peu commun
qui vagabondait
O Shiro era um humano incomum
que podia viajar quando quisesse