If I change it to something else, I won't be able to see it anymore, and the cat ears are cute, so I'll leave it like this for a while.
Maybe I won't change it until the service ends.
Was it Roze's experiment?
The Belladonna siblings are all looking down, as if they're amazed by their own family's prank...
Looking at my timeline, I see that quite a few people are still using the limited edition icon, so I guess it's hard to tell them apart at a glance...

Halloween limited edition icon | すいかまみ's post