When we get cover pictures like this, they never seem to relate to the current arc. I suspect it's for a story from a while back that's just now going into print form.
I just reread this and I had forgotten how dang cute Lily is in it. So many reactions you don't normally see! Her (initially) slightly more adversarial relationship with Sekibanki is a refreshing change from her interactions with Kyouko.
〜Sweet Autumn-Flavor Stroll〜The Fairy Living at the Temple