Shishou, known only by her title meaning "master" or "teacher," first appears as a composed young woman with long black hair, beige skin, and formal attire: a white blouse, light brown blazer, and belted trousers housing a holster. Decades later, her hair whitens, styled in a ponytail, her face marked by wrinkles, her wardrobe shifting to practical garments like a light green cardigan over a white shirt and slim pants.

Once an itinerant provocateur, she traversed nations with a male student, sowing chaos through extortion, calculated violence, and strategic destabilization. Their most infamous exploit saw them infiltrate a corrupt regime after the student’s fabricated arrest. From a clock tower, they orchestrated a three-day siege, crippling military forces by targeting limbs before extorting wealth and vanishing. Years later, the nation hailed them as unwitting revolutionaries whose brutality sparked a populist uprising that toppled the dictatorship—former adversaries even praised their unintended role in liberation.

As Kino’s mentor, she drilled marksmanship, survival, and motorcycle mastery with merciless rigor. Training simulations deployed modified revolvers loaded with percussion caps to simulate lethal stakes, punishing hesitation. Her philosophy prioritized self-reliance and analytical detachment, sculpting Kino’s observational pragmatism. A pivotal test forced Kino to face a deranged killer alone, a trial meant to temper resolve and independence.

Retiring to a secluded forest home in her twilight years, she retained a razor-sharp intellect and regal bearing, her frail frame belying her precise firearm mastery. History recast her as a folk hero, romanticizing her actions as noble despite her self-serving motives. Spin-offs later reimagined her as Kino’s grandmother and a mythic figure dubbed "Granny the Super," feared and revered worldwide. Her origins and personal bonds remain shrouded, her legacy defined by functional alliances, ruthless pedagogy, and an indelible imprint on those she shaped.