Anime info: https://myanimelist.net/anime/35240/Princess_Principal
Track #2 from the single _A Page of My Story_
Performed by Ange (Imamura, Ayaka), Beatrice (Kageyama, Akari), Chise (Furuki, Nozomi), Princess (Sekine, Akira), Dorothy (Taichi, You)
The song is not featured in the TV series.
TVアニメ『プリンセス・プリンシパル』EDテーマ: A Page of My Story / アンジェ(CV: 今村彩夏)、プリンセス(CV: 関根明良)、ドロシー(CV: 大地葉)、ベアトリス(CV: 影山灯)、ちせ(CV: 古木のぞみ)
Buy the single: http://www.cdjapan.co.jp/product/LACM-14629
WACOCA: People, Life, Style.