Vibrant Singing
The Princesses defeat the strange white creature who calls herself Flower Knight Sincere. The danger to Alicepia is not over, and they are understandably disheartened. But today is Natsu's long-awaited live concert, so they shift their focus and head to the venue. Naturally, it is Flower Knight Sincere who reaches out her evil hand towards this happy stage.
Aired 19/10/2025EP 27 - Vibrant Singing
Princess-Session Orchestra
The anime takes place in Alicepia, which is a mysterious country that has existed since ancient times. The inhabitants of Alicepia, the Alicepians, are a fun-loving people, but one day mysterious monsters called Jamaock appeared to threaten the peace of Alicepia. The story follows a trio of "princesses" who never forget the song in their hearts, even when facing such danger and step up to save the day with the power of music.
(Source: Anime News Network, Crunchyroll News, edited)