After losing her grandfather, Aoi—a girl who can see spirits known as ayakashi—is suddenly approached by an ogre. Demanding she pay her grandfather’s debt, he makes a huge request: her hand in marriage! Refusing this absurd offer, Aoi decides to work at the Tenjin-ya bed and breakfast for the ayakashi to pay back what her family owes.

Paranormal, reverse harem. This one is funny enough that everyone will like it.