OVA
Description
Dr. Phylicia Melissa Epstein, also referred to as Felicia, is a central figure in the anime Oz. At just sixteen years old, she holds a doctorate in bioengineering, a testament to her exceptional intellect and focused upbringing within the protected environments of the post-war Sanreit Federation. Her physical appearance is notably youthful and slight, standing 151 centimeters tall and weighing 40 kilograms, which contrasts sharply with the weight of her scientific responsibilities.

Her background is defined by the aftermath of a catastrophic third world war that has left the Earth scarred by nuclear fallout. Raised in isolation within a sheltered think tank, her exposure to the outside world has been severely limited, leading to a pronounced naivety and a lack of practical life experience despite her academic achievements. This isolation has preserved an idealistic and almost childlike innocence at her core. Nevertheless, she possesses a remarkably strong will and an unwavering commitment to her personal beliefs, never compromising her own principles even when faced with overwhelming pressure. The most defining of these beliefs is a deep-seated hatred of violence; she is a dedicated pacifist who openly disapproves of any form of conflict, a stance that frequently puts her at odds with the harsh realities of her quest.

Dr. Epstein's primary motivation is a deeply personal one: the search for her older brother, Leon Epstein, who disappeared five years prior to the story's start. Her quest begins in the wreckage of her uncle's home, where she is searching for clues to Leon's location. Instead, she discovers an android designated as Unit 1019, who claims to have been sent by Leon to guide her to Oz, a fabled city of brilliant minds whispered to be a post-war utopia. To navigate the dangerous wastelands on this journey, she contracts a mercenary soldier named Mutou to act as her escort, despite her fundamental disagreement with his use of lethal force.

As the narrative unfolds, her role shifts from a sheltered scientist on a rescue mission to the key observer of a terrible truth. Upon finally reaching Oz, she discovers that her brother's sanity has slipped dramatically. Leon has developed a god complex and, rather than creating a peaceful sanctuary, intends to use the city's advanced technology to control all of humanity through perpetual warfare and conflict. The emotional core of the story is her tragic relationship with Leon, as she is forced to witness his delusions and madness firsthand. Her love for her brother is directly challenged by her pacifist ethics, forcing her to mature rapidly as she confronts the monstrous scale of his plans.

This disillusionment drives her most critical action: participating in a plan to destroy Oz entirely. The plan succeeds, but the victory is bittersweet, as she is seemingly the sole survivor of the resulting explosion. Her development is complete by the story's epilogue. Six years later, having successfully completed her project to genetically modify a wheat crop capable of growing in desert conditions, she has become a woman who has transformed her ideals into tangible hope for the world. She returns to the ruins of Oz, not for revenge, but to ensure that every last trace of her brother's destructive technology is wiped from the earth, a final, somber act of closure for her harrowing past.

Her notable abilities lie almost entirely within her scientific genius. A specialist in bioengineering, her primary professional achievement is the creation of a genetically modified wheat strain that can thrive in the most barren deserts, a breakthrough with the potential to end famine and rebuild civilization. This talent for creation and her commitment to life serve as the perfect philosophical counterpoint to her brother's talent for destruction and death, making her intellect the story's primary hope for a peaceful future.