Yawara Inokuma, known in some localizations as Ginger, is the central character of her story. She is a high school girl who possesses an extraordinary, almost preternatural talent for judo, a skill she has been rigorously trained in since the age of three by her equally extraordinary grandfather, Jigoro. Ironically, her deepest wish is to abandon the judo gi entirely and embrace the life of a perfectly ordinary teenage girl. Her days are filled with romantic daydreams, a desire for a handsome boyfriend, and an enthusiasm for fashion, shopping, and cooking elaborate dishes like beef stroganoff. This central conflict between her secret life as a prodigy and her yearning for normalcy defines her character.

Yawara's personality is a blend of reluctance and innate capability. Initially, she has a generally poor attitude toward judo, largely due to the manipulative and overbearing pressure from her grandfather, who uses any means necessary to force her into competitions. She can appear whiny, indecisive, and sometimes selfish, failing to appreciate the commitment of her supporters as she tries to escape her fate. However, this stubborn resistance masks a kind and fundamentally modest nature. Despite her wishes, she cannot help but use her skills when the situation demands it, often protecting others or inadvertently revealing her strength. As the story progresses, she begins to move past her simple resentment, slowly coming to understand the beauty and philosophy of judo that her grandfather cherishes, learning to control stiffness with softness.

Her role in the narrative is driven by her pursuit of two seemingly incompatible dreams: to win the gold medal at the Barcelona Olympics (her grandfather's goal) and to find a boyfriend and live a quiet life (her own goal). This path is shaped by a complex web of key relationships. Her grandfather, Jigoro, is both a source of frustration and the architect of her judo genius. Her romantic interests are caught in a triangle: she is initially charmed by the handsome but flawed Shinnosuke Kazamatsuri, who suffers from stage fright, while being persistently pursued by the nosy sports reporter Kosaku Matsuda, whose stalking eventually reveals itself as genuine support. Her rivalry with the wealthy and talented Sayaka Honami, who becomes obsessed with defeating her, further pushes Yawara into the spotlight.

Over the course of the series, Yawara undergoes significant development. She evolves from a girl who actively avoids judo to one who accepts it as a part of her identity, maturing from an uncertain teenager into a world-class athlete. Her romantic affections also shift, as she gradually realizes the value of Matsuda's constant presence over Kazamatsuri's fleeting charm, leading to a dramatic resolution of her feelings. In terms of ability, Yawara is a genius in the under 48kg weight class, capable of defeating opponents much larger and stronger than herself through technical superiority. Her repertoire includes authentic judo techniques such as the Tomoe Nage (circle throw) and Ippon Seoinage (single arm throw), which she executes with flawless precision. Her power lies not in brute force, but in the soft, fluid application of skill passed down through her family.