Inorihime wa Sora ni Warau

From Fateful Encounters:Inorihime, Maritza, the noble existence who inherits the “Inori no Uta” [Prayer Song]. At a single chance encounter, she is captivated by Prince Azurite, despite their meeting being forbidden. The two of them are exposed to cruel fate… Now, the love that dwells in their hearts, an unseen door opens!