Koe Naki Niehime to Kokuryuu no Kekkon

Koe Naki Niehime to Kokuryuu no Kekkon summary: Ayame, born into a family of priestesses blessed by the Black Dragon God, possesses a unique ability to heal people through her voice. However, after the death of her parents, she is taken in by her uncle's family who mistreat her, leading to the loss of her voice. Her cousin Mari even takes over Ayame’s rightful position as priestess, and Ayame is eventually offered as a sacrifice to the Black Dragon. "Why must I be killed like this?! Someone, please help me!" Her desperate plea brought forth the Black Dragon from the sky. He descends and transforms into a handsome young man, gently takes Ayame's hand, and flies away with her. Thus begins Ayame’s new life as the bride of Saku, the Black Dragon, living in his mansion situated between the celestial and human worlds. However, Ayame’s cousin Mari, envious of her new status as the beautiful bride of the Black Dragon schemes to steal him away... A Japanese-style Cinderella story of a gentle-hearted girl who lost her voice and a proud yet compassionate Black Dragon.