The story of the sirens as told by people who never existed doing things that never happened.

Sonata sets out to get Adagio a Christmas present. Aria grudgingly assists.

In the days following the disastrous Battle of the Bands, Adagio, with the help of her sisters and the one girl she hates the most, learns to cope with her failure.

Late one night, Adagio looks to a familiar sky to calm her nerves and reminisce. Along the way, she has a chance encounter with a hated rival who had a similar idea.

Everyone has secrets. Sometimes they tell people about them, sometimes they don't. Even after hundreds of years, there are still things Adagio hasn't told Sonata. When Sonata finds a book full of Adagio's secrets, she just can't resist reading it.