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### Childhood and Salvation

Kanao's childhood was marked by extreme poverty and horrific abuse. Her family sold her into slavery, an experience that extinguished in her any desire to act or even to speak. The trauma left her unable to make decisions, allowing her actions to be guided only by direct orders. She was a hollow shell, devoid of all emotion or personal will, a lost soul wandering the world aimlessly.

Her salvation came at the hands of the Kocho sisters. While on a walk, Kanae and Shinobu saw her tied to a man who was taking her to the slave market. Without hesitation, Kanae offered money for her freedom and gave her the name Kanao. In that moment, the Butterfly Mansion became her home, a safe haven where her physical and mental wounds could finally begin to heal.

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### The Bond with Shinobu

Kanao's relationship with Shinobu is the core of her development. After Kanae's death, Shinobu became her sole role model. Their bond is based on a deep respect and a sad, mutual understanding. Shinobu, who hides a profound rage behind an eternal smile, saw in Kanao a reflection of her own past passivity before she was forced to step up.

Shinobu trained Kanao to become her Tsuguko, an heir destined to carry on her will. Their relationship was not based on sugary affection but on strict discipline and an unspoken love. Shinobu taught her to fight with the grace and lethality that distinguish her, but above all, she gave her a purpose. Her mission is to avenge Kanae and protect what remains of her family, a duty that has rooted in her a sense of belonging she had always lacked.

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### The Role of the Butterfly Mansion

The Butterfly Mansion is more than just a home for Kanao; it is a sanctuary and a symbol of a new life. It is there that she found an adoptive family in the other girls, especially Aoi, who, despite being more outspoken and strict, gave her a sense of normalcy and responsibility. The atmosphere of the mansion, a mix of care, rehabilitation, and rigorous training, provided Kanao with the stable environment she desperately needed.

It is within the walls of the mansion that Kanao has found a sense of peace. Her time there has allowed her to reflect and begin to overcome her trauma, thanks to the silent affection of those around her. The Butterfly Mansion is the place where the girl with no name and no will was transformed into the strong and resolute Tsuguko she is today, ready to fight for the protection of a world that once showed her only cruelty.