Dragon priestess in the birdcageNew籠のなかの竜聖女 ―虐げられた伯爵令嬢は、今日も溺愛されています; Kago no Naka no Ryuu Seijo - Shiitagerareta Hakushaku Reijou wa, Kyou mo Dekiaisareteimasu

Even though I was supposed to have been rejected for marriage once!? The Dragon Saintess, tasked with caring for the black dragon Gramvint, who protects the Kingdom of Elvasti, is the official fiance of the kingdoms prince. The current Dragon Saintess, Ludia, has dedicated her life since childhood to taking care of the enormous dragon that resides in a giant cage. She was also engaged to the prince, Edik. However, one day, Edik suddenly summoned Ludia and informed her of her dismissal as the Dragon Saintess and the annulment of their engagement. To her shock, the new Dragon Saintess was her stepsister, Leila. Whats more, Edik told her that her next destination would be marriage to the Black General, Wilfried. But Wilfried rejected the marriage, saying, You and I are not a good match!?