Arrived in Japan today and visited the AKB48 cafe in Akihabara with
melody and
shin_baka.
On the way in is a new (since last time I was there, note
Team A) Mayu sign you can see in the queue:

And this is Mayuyu's dish which is currently on the menu:

It looked tasty! Unfortunately it was sold out so I couldn't have it. Shame also, as they showed a video clip of Mayu talking about her dish, which looked great!