Underworld Queen to Sky Princess

Riveria Antoinette Hades Milinoe, the undying queen of the underground. Or so it was thought, however it seemed that she got tired of living as a demo queen. A new rule, 'The Queen's rest', it twists the matters of reality to reincarnate the soul of the queen of the land. Until then queen's land gets deleted from the matters of reality and space. To which the land becomes forgotten and the people are commanded by the demon generals, with no way to exit or enter unless a portal is created with the queen's magic. The first time of the rule's enforcement rolls around. Will you follow the now sky princess in her adventures?