Adagio wakes up, no longer in her teenage form, but as a child. The thing she feared most has finally happened, her magic has finally faded. Now she is young, and her mind is no longer developed, leaving her siren sisters to watch over her.
Or just Aria...

Seen this picture around and an idea instantly sprang into my head. I don't know what I have planned for this, but whatever it is, it's going to be for my pleasure.