Spiral: The Bonds of Reasoning
Ayumu Narumi has lived all his life in the shadow of his famous detective brother, Kiyotaka. However, Kiyotaka disappeared two years ago, leaving behind his wife Madoka and Ayumu himself, along with a cryptic message about the "Blade Children." One day, a girl at Ayumu's school suddenly dies. What seemed like a suicide at first glance turns out to be a murder, and Ayumu is the prime suspect. While investigating the person responsible for framing him, he discovers that the mysterious Blade Children are involved—and they somehow know Kiyotaka personally. Ayumu soon finds out just how dangerous the Blade Children are and learns that, in reality, he and Kiyotaka are intertwined more closely than he had ever believed.
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Seasons & Episodes
1. Spiral of Destiny
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2. Seijyu: Hall of Death
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3. The Cursed Children
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4. The Fortune of Believers
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5. The Misty Gallows of Death
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6. The Blind Spot In The Net
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7. A Choice of a Nonbeliever
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8. Just a day of the Defeated
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9. All Things That Are Possible To You
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10. Only One Wise Action
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11. Good Night Sweetheart
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12. Dry Eyes
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![Overture [prelude]](https://image.tmdb.org/t/p/w500/bspXnTnEcCu4Wuq7ehFb1FlG374.jpg)
13. Overture [prelude]
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14. Like A Sweet Aroma Haze
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15. Like A Swan
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16. The Uninvited Visitor
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17. The Watcher in the Darkness
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18. Angel of Sorrow
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19. Mirror of the Heart
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20. Whispering Shadow
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21. The Sound of Heartbreak
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22. The Mask's Confession
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23. Never Ending Rain
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24. The Man of the Lofty Castle
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25. The Sound of the Thawing Iris
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