Princess Session Orchestra, an upcoming original TV anime, has published a new trailer (below) revealing the magical kingdom of Alicepia is connected to a video sharing website in the human world called “Alicepia Channel”. The series is scheduled to broadcast in Japan in 2025, although at the time of this writing the exact release date has not yet been revealed.
Based on planning and concepts by Kaneko Akifumi, Shin Onuma directs Princess Session Orchestra at animation studio SILVER LINK.. Mari Shimazaki provides the original character designs, Yukiko Akiyama provides the character designs for animation, Manta Aisora provides the series composition, and Elements Garden provides the music.
Princess Session Orchestra key art
Princess Session Orchestra is set in the magical kingdom of Alicepia, a wonderland that has existed since ancient times and that is somehow connected to the Alicepia Channel video sharing website in the human world. When the Alicepians encounter a new threat known as the Jamaock, a trio of “princesses” step up to save the day with the power of music.
Source: Official Princess Session Orchestra anime home page