I got the Melody Regular 2015 achievement for visiting 25 times, but I didn't receive the Essence of Melody. I did miss one day, so I'm not sure if this is a glitch or I had to have visited her 25 times by the 25th.
Same thing happened to me actually... I got my achievement but no essence.
- You had to visit her every day until the 25th. If you got the achievement after that, you won't get the prize. If you check the achievement now, you can see that the prize has actually been removed.

The Essence of Melody is rewarded only to those who visited the cottage the first 25 days. If you missed a day between the 1st and 25th you will still get the achievement, but no reward.
Sorry!
- Is it possible for the wording to be improved for that achievement next year? A lot of people are under the impression that as long as you visit 25 days, you'll get the item prize. The achievement doesn't actually say anywhere that you have to visit the first 25 days of December consecutively to get the item. Us older users know, but the newer folks don't because that achievement isn't clear.
I would recommend you make a thread in Suggestions & Ideas asking for it. :)
Ah, I thought so but I wasn't sure, as the verbiage was unclear.
Definitely agree with this! A suggestion should definitely be made.
- I've made a suggestion here if you'd like to make a show of support! :)
the ONLY day I missed was the day that Subeta was down for like over 12 hours, most of which is/was the time I play? I have a ticket open but I am still a bit miffed.
Lair Bears Dance Mix! (play it on shuffle)
it hasnt always been the first 25 days. FYI. bummertown..