The Oath of The Dark Magic Queen

Deep inside a forest, a voice calls out to the hero.
It is there that he crosses paths with Omaylas, the Dark Magic Queen and one of the generals of the Demon Lord.
Imprisoned in the forest, she offers to swear an oath to the hero in exchange for her freedom,
even if it means facing execution in the capital.
Is there a secret agenda to her actions? It is up to you,
the hero to decide in this fantasy adventure visual novel from developer, DessertTheory