Apocalypse, then transforming into a magical girl

In a world ravaged by an unforgiving cataclysm, the rules of society have been reduced to ashes. The skies are now a deep, fiery hue, and the landscape is overrun by terrifying creatures that show no mercy. Humanity teeters on the brink of collapse, its future hanging precariously in the balance. Amidst this chaos, a young heroine emerges, bound by a magical contract that will expire all too soon. With only a brief window of time remaining, she must harness the power of magic to forge a new path forward. As she navigates this treacherous landscape, she will need to balance her own survival with the responsibility of protecting others, all while confronting the darkness that threatens to consume everything. With courage, resilience, and a fierce determination, she will strive to restore a semblance of order to a world gone mad, and to bring hope to those who have lost it. This is a tale of heroism, of the unbreakable bonds between individuals, and of the transformative power of magic in the face of unimaginable adversity.