Episode 20
Nagase goes on a date with her fan Aiko. Even though they're having a great time, Aiko seems to be worried of Alicepia, who has been acting dangerous lately. But Nagase encourages Aiko by telling her that the Princesses will defeat the villains. At the time, Nagase saw Bess in the town and ended up being lured out by him.
Aired 24/08/2025EP 20 - Episode 20
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)