Episode 4
One day, Sorano Minamo meets her favorite streamer, Ichijou Nagase. She is then invited to a small-scale live concert held after school at Alicepia. While Nagase is preparing for the performance at Alicepia, the third enemy, Drun, appears and unleashes a Jammerwock to attack her.
Aired 27/04/2025EP 4 - Episode 4

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)