Princess Luna's most faithful student, Lily Note, has notified her of the signs. The signs that Blinding Sun will return on the shortest day of the thousandth year since her imprisonment. Fearing that she alone won't be able to save her kingdom once more, Luna sends a reluctant Lily Note and a team to defeat the tyrannic villain.

But all the while, Lily Note fears that she will fail at her most important task yet…