Movie
Description
Isabella York, who is also known by her original name Amy Bartlett, is a central figure in the story. She is introduced as a student at a prestigious all-girls academy, where she is the heiress of the noble York family. In reality, she is the illegitimate daughter of the York family patriarch, having lived a life of poverty before being brought into the aristocracy.

Physically, Isabella is a young woman with bright green eyes and long, wine-red hair that she typically wears in two braids. She is also usually seen wearing glasses. Her appearance changes significantly from her childhood, when she was a red-haired, cheerful girl who dressed like a tomboy while living in the slums. As a member of the York family, she presents herself as an elegant and reserved young lady, but this is a stark contrast to her free-spirited past.

Isabella's personality is complex and shaped by her traumatic past. Initially, she is depicted as a solitary and guarded individual who considers the academy a prison and is in despair about her future. She is often cold and antagonistic toward others, including Violet Evergarden when she first arrives as a tutor, and she suffers from regular coughing fits. Her behavior is largely a defense mechanism, as she fears that her rough, uncultured origins will be revealed if she speaks or acts too freely. Despite this, she possesses a deep well of love and loyalty, particularly toward her adopted sister, Taylor Bartlett, for whom she sacrificed everything.

Her primary motivation stems from her fierce devotion to her sister. Before becoming Isabella York, she was Amy Bartlett, a poor girl who took in a young orphan named Taylor and cared for her as a sister. Realizing she could not provide a stable future for Taylor, Amy accepted her biological father's offer to join the York family on the condition that Taylor would be placed in a prestigious orphanage. This sacrifice is the driving force behind her actions; she endures a life of confinement and a future of an arranged marriage to ensure her sister's well-being.

In the story, Isabella is the main client and emotional focus of the first half of the narrative. Violet Evergarden is hired by the Drossel royal family to act as her tutor and handmaiden, tasked with preparing her for a debutante ball within three months. Through this relationship, Isabella slowly begins to open up, moving from distrust and jealousy to a deep and intimate friendship with Violet. The nature of her feelings for Violet is described as crossing the boundaries of friendship and sisterhood, blossoming into love, as explicitly stated in supplemental material. After Violet helps her complete the ball, Isabella requests that Violet deliver a letter to her long-lost sister, Taylor. This request sets the second half of the story in motion, as Taylor later becomes a postman to deliver happiness like the letter she received.

Key relationships define her arc. Her bond with her sister, Taylor, is the most significant, characterized by a promise that "in寂寞时呼喊我的名字" (in loneliness, call my name), a phrase that sustains their connection across distance and time. Her relationship with Violet Evergarden is transformative; Violet's sincerity, empathy, and lack of pretense help Isabella confront her past and find a measure of peace. Through their time together, Violet becomes a source of comfort and the catalyst for Isabella's emotional confession and her final message to her sister.

Isabella undergoes a poignant but tragic development. She transforms from the free-spirited, impoverished Amy into the refined but captive Isabella York. Over the course of the film, she moves from despair and resistance to a quiet acceptance of her duties, but she is also able to reclaim a part of her past by reaching out to Taylor. Her story is not one of complete liberation but of finding a way to maintain a sense of self and connection through letters, even within the confines of her gilded cage. It is implied that she enters an unhappy marriage, yet the act of writing and the enduring hope for her sister provide a small measure of defiance and solace. She has no notable physical or combative abilities; her strengths lie in her deep emotional resilience and her capacity for love and sacrifice.