Anne is one of Saga Bergmann's closest friends in the fictional German town of Muhlenburg, notable for her taller stature, quiet demeanor, modesty, and higher intelligence relative to peers. She consistently demonstrates concern for Saga's well-being, particularly during Saga's erratic behavior triggered by interactions with invisible season fairies. Alongside Norma, Anne provides steadfast daily support to Saga.

Four years after the main series, the OVA highlights Anne's emerging creative talents. Inspired by the Hammond Theater Troupe's performance of "The Bear Pianist," she develops a deep interest in theater and literature. This passion leads her to study Shakespeare and write an original class play titled "The Princess and the Fairy." Anne participates as a background forest animal in its production, while Norma plays the fairy role, confirming Anne's development into a budding playwright.

At Muhlenburg Festival events, Anne wears a medieval costume comprising a medium-length blue sleeveless dress layered over a white long-sleeved button-up shirt, accented by a white apron at the waist, white petticoat, and black ballet flats. Her personality remains defined by gentleness, humility, and creative intelligence across all appearances.