Tsubasa Hanekawa, a high school classmate and close confidante of Koyomi Araragi, embodies the archetype of a model student and class representative, masking a turbulent personal history. Born into a fractured family, she endures successive guardianship changes after her teenage biological mother’s post-birth suicide, eventually residing with emotionally distant step-parents. To cope, she cultivates an illusion of flawless composure, burying resentment and longing for acceptance, inadvertently widening the rift with her surrogate family. Her unprocessed anguish materializes through supernatural manifestations. During Golden Week, repressed stress coalesces into Black Hanekawa—a violent alter ego empowered by the sawarineko oddity—that lashes out indiscriminately. Later, envy toward her step-family’s fragile harmony spawns the Hysteria Tiger, an entity embodying her urge to dismantle domestic tranquility. Both manifestations expose her self-destructive avoidance of confronting emotional turmoil, cycles only broken through eventual acceptance of these shadow selves. Visually, her evolution mirrors inner transformation: glasses and braids give way to cropped hair and contacts, signaling shedding perfectionism. Post-reconciliation with her alters, tiger-like silvery streaks emerge in her hair, frequently concealed with dye. Outwardly composed, her lace-adorned undergarments hint at concealed vulnerabilities. Koyomi Araragi anchors her emotional arc. Romantic feelings blossom after his vampiric rescue of her, yet remain suppressed beneath her rigid self-image. Post-self-acceptance, she confesses but faces rejection, catalyzing maturity. Graduation propels her into nomadic humanitarian work, echoing Meme Oshino’s influence. Dubbed the “Japanese Joan of Arc,” her escalating activism—mediating global conflicts, dissolving borders—lands her on international watchlists. In *Magia Record*, her magical girl incarnation wishes to “forget everything,” summoning a doppel split between a stress-devouring cat and a tiger of envy, paralleling her core struggles. Her signature refrain, “I don’t know everything, I just know what I know,” rejects intellectual pedestals, reinforcing her quest for grounded humanity. Ultimately, she discards societal perfection, embracing an identity forged through fractured history and self-compromise.