Key Facial FeaturesHair: Short, spiky blonde hair worn in stubby pigtails. Her bangs are held together in the middle by three distinct hair clips.Freckles: Three small freckles dotted on each cheek directly beneath her eyes.Protruding Tooth: A single, prominent fang that sticks out from the upper left side of her mouth. This characteristic leads Ichigo and Shinji to call her "snaggletooth".Clothing and OutfitsHer appearance shifts depending on her location and timeline in the Bleach series:Human World (Visored Outfit): She most famously wears a casual red jogging suit featuring white stripes running down the shoulders. The jacket is customized with the first kanji of her name. She pairs this tracksuit with a plain white undershirt and yellow flip-flops.When tapping into her Hollow powers, Hiyori summons a flat, bone-like mask. It features a prominent, jagged horn in the middle of the forehead and a row of diamond-shaped slits acting as eyes.Explosive Temper: She gets annoyed incredibly quickly. She reacts to mild inconveniences or minor teasing with immediate verbal or physical violence.Brutal Honesty: She never filters her thoughts. She speaks with a crude, thuggish tone and routinely uses insults, name-calling, and shouting to communicate.Defensive Pride: She is highly sensitive about her short stature and youthful looks. Any comment regarding her height triggers an explosive, defensive rage.Distrustful and Cynical: She is naturally suspicious of outsiders. She struggles with change and takes a long time to warm up to unfamiliar faces or new situations.Zanpakutō: Kubikiri OrochiHiyori’s Zanpakutō is named Kubikiri Orochi (meaning "Beheading Serpent").Sealed Form: It takes the form of a standard katana with a tsuba (handguard) shaped like a decorated cleaver blade.Shikai Release Command: She releases it by shouting "Butcher" or "Chop Clean" (Butteke).Shikai Form: Upon release, the sword transforms into a massive, oversized cleaver with a serrated, jagged spine.Abilities: While it does not project energy blasts in its Shikai form, it drastically amplifies her physical cutting power, allowing her to easily slice through large objects and heavy armor with raw strength.As a Visored, Hiyori can summon a skeletal Hollow mask to drastically boost her combat capabilities. Her mask duration was initially limited to five minutes, but she expanded this limit through rigorous training.Enhanced Attributes: Donning the mask exponentially increases her physical speed, durability, and raw striking power.Cero: While masked, Hiyori can fire a Cero, a powerful blast of concentrated spiritual energy. Her Cero is uniquely colored red and is blasted directly from her mouth, capable of causing massive widespread destruction.Kidō and Spiritual PowersKidō Expert: Having served as a high-ranking officer in the Soul Society, Hiyori is highly proficient in Kidō (Spiritual Arts). She can cast high-level binding and destruction spells without needing to recite their long incantations.Immense Spiritual Pressure: She possesses Captain-level spiritual energy. Her spiritual pressure is heavy, aggressive, and highly unstable when her temper flares or when her Hollow side starts to take over.Hakuda (Hand-to-Hand Combat)Acrobatic Brawler: Hiyori uses an aggressive, unorthodox fighting style that relies heavily on her small stature. She utilizes quick aerial flips, dropkicks, and erratic movements to disorient much larger opponents.