Summoned While Saving Mom: I'll Become the True Demon

One moment, he's racing to save his dying mother with every last penny from selling their home. The next, he's ripped into another world—cash in hand and fury in his heart. Summoned for a 'special mission' by strangers who stole his chance at redemption, he'll show them what a real demon looks like. When desperation meets dark power, even heroes become monsters.