Ayumu Narumi

Original Name (Japanese): 鳴海 歩
Romanized Name: Narumi Ayumu
Nicknames: None
Series: Spiral: Suiri no Kizuna
Age: 14-16 (during the series)
Weight: Unknown
Height: Unknown
Date of Birth: Unknown
Blood Type: Unknown


Ayumu Narumi is the protagonist of the Spiral series: Suiri no Kizuna. He is described as very intelligent, but also introverted and plagued by self-doubt. Despite his exceptional abilities, Ayumu struggles with the feeling that he cannot surpass his older brother Kiyotaka, who is a child prodigy. This self-doubt causes Ayumu to question his own abilities and worth. However, he is also caring, especially towards his sister-in-law Madoka.


Ayumu is a freshman at Sukiyomi Academy. He is the younger brother of Kiyotaka Narumi, who is a world-class pianist and Ayumu’s senior. It is later revealed in the manga that Ayumu is actually a clone of Kiyotaka, and as such has a shorter lifespan.

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Ayumu has dark hair and eyes. He is described as having a slender, almost delicate build. His appearance is characterized by a somewhat withdrawn and somber demeanor.


Ayumu is exceptionally intelligent, especially in the areas of logical deduction and investigation. Like his older brother Kiyotaka, he is also an accomplished pianist and an excellent cook.


Ayumu Narumi is the main character of the anime and manga series Spiral: Suiri no Kizuna. He is central to the overarching mystery and narrative of the series.

Ayumu Narumi – FAQ

Here are 6-8 FAQs about Ayumu Narumi from “Spiral: Suiri no Kizuna”:

Who is Ayumu Narumi?

Ayumu Narumi is the main character of the anime/manga series “Spiral: Suiri no Kizuna”. He is a high school student with exceptional logical reasoning and deductive abilities, which he uses to solve complex murder cases alongside his older brother Kiyotaka and the mysterious organization known as the “Blade Children”.

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What are Ayumu’s special skills?

Ayumu has a keen intellect and an uncanny ability to analyze and deduce information. He is able to quickly process details, identify patterns, and formulate logical conclusions that help him solve the intricate puzzles presented in the series. In addition, Ayumu has a knack for thinking outside the box and coming up with unorthodox solutions.

How does Ayumu become involved with the Blade Children?

Ayumu’s involvement with the Blade Children begins when his older brother Kiyotaka, a member of the organization, goes missing. Ayumu is drawn into the Blade Children’s world as he investigates his brother’s disappearance and becomes entangled in their complex web of secrets and conspiracies.

What is Ayumu’s relationship to the other Blade Children?

Ayumu forms unique and often complex relationships with the other Blade Children, who are both his allies and his adversaries. At first he clashes with them as they test his abilities, but over time he begins to understand and empathize with their plight, eventually becoming a trusted confidant and partner in their fight against the forces that seek to control them.

How does Ayumu’s personality and background affect his actions?

Ayumu’s calm demeanor, analytical mind, and strong moral compass shape his approach to the challenges he faces. Despite the high-stakes nature of the Blade Children’s conflicts, Ayumu remains level-headed and focused, driven by a desire to uncover the truth and protect those he cares about. His own tragic past and the disappearance of his brother also play a significant role in his motivations and decisions throughout the series.

What is Ayumu’s ultimate goal in the series?

Ayumu’s ultimate goal is to uncover the truth behind the existence of the Blade Children and the forces that control them, as well as to find his missing brother Kiyotaka. Throughout the series, he works tirelessly to solve the mysteries surrounding the Blade Children and to protect them from those who would exploit or harm them, all the while hoping to be reunited with his brother and end the cycle of suffering that has consumed their lives.