OVA
Description
Caroline is one of the six main female characters in the 2003 anime. Her full name is Caroline White, and she is a young woman who works on and takes care of a ranch that was left to her by her parents. Among the group of women traveling on the train, she is characterized as having a tomboyish demeanor, a direct result of her life of hard work and physical labor in a rural, outdoor setting.

Her background as a rancher has shaped a practical and resilient personality. Caroline is not fragile or prone to panic; instead, she is capable and self-reliant. When the train is attacked by the outlaw gang known as Heavens Bill and his men, she does not hesitate to engage the threat. Her primary motivation is tied to her immediate situation, but her willingness to fight alongside the other passengers reveals a strong sense of self-preservation and a protective instinct for herself and her fellow travelers. As part of the group of six strangers who must unite to survive the hostage crisis, her role in the story is that of a steadfast combatant. While other characters bring specific skills like medical knowledge or sharp-shooting, Caroline provides reliable and heavy firepower.

Her key relationships are forged in the crucible of the train siege. She becomes one of a team of allies that includes Margaret, Lola, Helen, Janet, and Alice. Though she begins as a stranger to them, the shared danger forces a quick camaraderie, and she works side-by-side with the others to defend the train and its hidden cargo of gold from the bandits. In terms of development, Caroline does not have a complex inner arc given the short format of the story, but her character transforms from a simple ranch worker into a proven fighter. Her notable ability is her proficiency with a double-barreled shotgun, which she wields with great effect. While other characters might use more elegant weapons, Caroline's choice of a powerful, close-range firearm underscores her straightforward, no-nonsense approach to the violent situation, and she is a key part of the passengers' resistance.