Episode 1
Sorano Minamo visits a live event held in the mysterious land of Alicepia together with her best friend, Hinomoto Natsu. However, the venue is suddenly attacked by a mysterious monster. At that moment, Minamo witnesses the appearance of a “Princess,” a figure who sings and dances to vanquish the creature.
Aired 06/04/2025EP 1 - Episode 1

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)