Most likely down to where the altar is meant to be, as it's happening to both brides and grooms.

[ At least, that's where the ayakashi doing all the work should be. It's- Well, while Hannah wouldn't say it aloud, especially not to this child, that's what she'd do. Yet there was also that 'we,' and her brows furrow just a little. ]

I was ordered to stay out here and stop anyone trying to run off. To disobey them... I couldn't.