Broke off with the Nether King, the Saintess Regrets Madly

DramaBox synopsis

Hades, lord of the underworld, poured all his divine power and wealth into raising Aurora, the Holy Maiden of the Temple of Light, for 18 years. But on her coming-of-age ceremony, she publicly broke off her engagement and married the king instead. Meanwhile, the true reincarnation of the queen of the underworld—her twin sister Celia, whom she had bullied for years—reunites with Hades, awakens her powers, and together they defeat the demon king Lucifer.

ReelShort synopsis

"Hades, the God of the Underworld, poured all his divine power and riches into nurturing Aurora, Saintess of the Light Temple, for eighteen years. On her coming-of-age ceremony, she publicly broke off their engagement to marry the king instead. Celia, her twin sister who had been bullied by Aurora for years, is the true reincarnation of the Queen of the Underworld. She reunites and recognizes Hades, awakens her divine powers, and joins forces with him to slay the Demon King Lucifer. As for Aurora, she falls into darkness and corruption, eventually turning to ashes."