Beauty is the female heroine and the first member to join the protagonist Bo-bobo's rebel group. She is a young teenage girl with mid-length pink hair styled with short bangs and blue eyes. Her typical outfit consists of a white sleeveless cropped vest over a red cropped shirt, blue baggy jeans held by a brown belt with a heart-shaped buckle, and black shoes. She is the only citizen in her town to still have hair after an attack by the Hair Hunt forces, which is when she first encounters Bo-bobo. Her initial motivation for joining him is a desire for a life of adventure, and she becomes a core member of his team from the very beginning of their journey.

In terms of personality, Beauty is generally a kind and helpful individual. However, her most prominent trait is that she acts as the sane voice of the group, frequently becoming exasperated by the nonsensical and bizarre behavior of her allies, Bo-bobo and Don Patch, often reacting with a signature expression of shock or annoyance. She finds Bo-bobo crazy but also greatly idolizes him, and she worries deeply about the safety of all her friends, considering them her own family. Despite being the group's designated heroine, she is typically a non-combatant and is the only member of the core team who does not actively fight. She often criticizes the others' fighting styles from the sidelines and frequently finds herself in the role of a damsel in distress, being captured or placed in danger, which usually prompts Bo-bobo or another ally to rescue her.

Her role in the story is primarily that of a companion and the emotional core of the group. While she does not participate in battles, her presence serves as a motivator for the other characters, particularly Bo-bobo, who is known to become serious when she is threatened. In rare instances when Bo-bobo is not around, she has been forced to attempt to defend herself, but help typically arrives before she can truly engage an enemy. There is a significant development regarding her background when it is revealed that the character Softon is her older brother, implying she may be descended from a powerful bloodline.

Key relationships define much of her character arc. Her most notable relationship is with the character Heppokomaru, also known as Gasser. He rescues her from a Hair Hunter early in the story, and she develops loving feelings for him, though she never explicitly states them. Their relationship is portrayed as quiet and romantic, marked by several scenes where they blush and show concern for one another. By the end of the series, she is traveling the world with him. Her dynamic with Bo-bobo is central to the group; while he often uses his other allies as shields or for jokes, he never harms Beauty and always comes to her rescue when she is in trouble. Conversely, Don Patch sees Beauty as a rival for the heroine role and often tries to undermine her, though there are instances where he has shown genuine concern for her safety. A significant moment of development occurs when Bo-bobo is seemingly killed in battle. Beauty finds his sunglasses, which contain a large portion of his power. Upon putting them on, she delivers a powerful punch to the villain Bi-bibi in revenge, representing one of the very few times she directly participates in a fight and takes an offensive stand.

Notable abilities are almost entirely absent in a traditional sense, as she does not possess any combat skills or a Fist technique like her comrades. Her primary ability is her resilience as the sole sane person in an insane world. Her only real moments of action are in video game adaptations, where she is given a move set for gameplay purposes, or in the rare canonical instances where she uses borrowed power, such as Bo-bobo's sunglasses, to land a single significant blow.