In a family of legendary assassins, extraordinary abilities, and extremely questionable parenting decisions...
Alluka Zoldyck just wants to be loved.
Alluka is Killua's younger sister and one of the most unusual members of the Zoldyck family. Warm, affectionate, playful, and deeply attached to her brother, she stands apart in a household defined by assassination and ruthless expectations.
But Alluka shares her body with something extraordinary.
Nanika.
Nanika is a mysterious separate presence capable of granting wishes with seemingly impossible power. That ability can also carry terrifying consequences, causing most of the Zoldyck family to see Alluka and Nanika less as people and more as a dangerous phenomenon requiring study, rules, and containment.
Killua sees his sister.
That's the emotional heart of Alluka's story.
When Killua needs a way to save his gravely injured friend Gon, he returns home and frees Alluka from the confinement imposed upon her by their family. But his relationship with her isn't merely about accessing Nanika's power. Killua protects Alluka because he loves her, and Alluka trusts him because he treats her with a humanity that much of their family refuses to extend.
And Alluka insists that compassion can't stop with her.
Nanika isn't simply some evil personality Alluka wants removed. She loves Nanika too, and when Killua's protectiveness threatens to become rejection of the being sharing his sister's life, Alluka makes it clear that accepting her means accepting Nanika as well.
That's what makes Alluka powerful in a completely different way from the rest of her family.
She isn't the deadliest assassin in the room.
She doesn't need to be.
In a family obsessed with strength, control, usefulness, and danger, Alluka's defining qualities are trust, affection, empathy, and an unexpectedly stubborn insistence upon being treated like a person.
Sometimes defying the Zoldycks means winning a fight.
Sometimes it means loving someone they decided was a problem.