"Märchen Mädchen" is a 12-episode anime series that blends fantasy, magic, and coming-of-age themes. The story centers on Hazuki Kagimura, a shy and book-loving high school girl who feels disconnected from her peers and struggles with self-confidence. Her life takes a dramatic turn when she discovers she is the descendant of a powerful mage and is invited to attend the mysterious and magical Shujuku Academy, a school for young women who wield the power of "Origin Books." These books are magical tomes that grant their wielders abilities based on classic fairy tales and literary works.

At Shujaku Academy, Hazuki is paired with the Origin Book of Cinderella, which grants her magical abilities tied to the fairy tale. However, her journey is far from easy. The academy is a competitive environment where students must master their powers and participate in battles to prove their worth. Hazuki’s lack of confidence and inexperience make her an underdog, but she gradually begins to grow stronger with the help of her classmates and mentors. Among her peers is Claire Hazelnut, a skilled and confident mage who becomes both a rival and a friend, and Shizuka Tsuchimikado, a stoic and disciplined upperclassman who guides Hazuki in her training.

The narrative explores Hazuki’s struggles to adapt to her new life, her efforts to understand and control her powers, and her relationships with the other students. As she delves deeper into the world of magic, she uncovers secrets about the academy, the Origin Books, and her own lineage. The series also introduces antagonists who challenge Hazuki and her friends, leading to conflicts that test their abilities and resolve. Themes of self-discovery, perseverance, and the power of stories are woven throughout the plot, as Hazuki learns to embrace her identity and the potential within her.

The anime balances episodic challenges with an overarching storyline, culminating in a climactic confrontation that forces Hazuki to confront her fears and fully harness the power of her Origin Book. Through her journey, Hazuki transforms from a timid and uncertain girl into a determined and capable mage, finding her place in the magical world and among her peers. The series concludes with a resolution that ties together the personal growth of its characters and the mysteries of the magical academy.