Swords-and-magic Stories

In a single night, Leo's life changed for the better or worse. He encountered a demon, who asks him to become his successor. His father, who was once the pillar of his family, was now crippled and depressed. So Leo relit his childhood dreams, one where he wished to become an existence that was both feared and respected by the universe. He, as the successor of a fallen clan, will walk the path of power. It might be a harsh path, but for the sake of giving his family a safe and joyful life he will do it.

On her tenth birthday after receiving news of her marraige to the crown prince did she realise that she was reincarnated into her favorite manga. Unable to bare her gruesome future did she run away.