Searching for the Lyon rewrite

Regina is Hades and Emma is a sheltered princess whose parents defied the goddess of the underworld. On the princess's 21st birthday, Hades arrives to get what she was promised, the first child of Snow White and Prince Charming. After such a wait, however, the goddess believes she deserves much more than just another soul in her kingdom. [Emma x Regina pairing] *Slow-burn* Greek AU