What Am I Doing
Unable to withstand the ever-increasing Musessence, Alicepians will disintegrate. Upon learning this shocking truth from Sumire, Minamo and the others come to understand the reason why the Kazahana sisters fight. For the sorrow of losing their beloved Alicepians is no longer something that could never happen to them.
Aired 09/11/2025EP 30 - What Am I Doing

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)