Are you sure? I'd be really glad if that's the case, but when I was searching for previous topics I found this post
and Starry Knight said they asked Ame and that it turned out to be a daily thing?
I'm at the part where I can't go back to reborn city and I'm trying to get a blue moon ice cream from the vendor at agate circus. I'm changing the day periodically but its slow going, would someone mind trading me one? trade name is KouenDai