Kotoko Iwanaga

Japanese Name 岩永 琴子
Romaji Name Iwanaga Kotoko
Nicknames “Goddess of Wisdom”
Series Kyokou Suiri
Age Not specified
Weight Not specified
Height Not specified
Date of Birth Not specified
Blood Type Not specified


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The enigmatic protagonist of Kyokou Suiri


Kotoko Iwanaga, the main protagonist of the anime and manga series Kyokou Suiri, is a young woman with a captivating and multifaceted personality. Known as the “Goddess of Wisdom,” Kotoko has a vibrant and outgoing nature that makes her stand out in any situation. She is determined, resourceful, and has an unwavering determination when it comes to solving puzzles and uncovering the truth.
Despite her petite and doll-like appearance, Kotoko exudes confidence and intelligence beyond her years. She approaches problems with a keen analytical mind and a deep understanding of the supernatural world. Kotoko’s outgoing nature and infectious enthusiasm often draw people to her, making her a natural leader and someone others can rely on.
However, Kotoko’s personality is not without its flaws. She can be oblivious to danger, often rushing headlong into risky situations. In addition, her strong attachment to her boyfriend, Kuro Sakuragawa, sometimes manifests itself as clinginess, highlighting her vulnerable side.


Kotoko’s background is closely tied to the supernatural world. She was once an ordinary girl until she had a life-threatening incident with a Yokai. As a result, Kotoko lost one of her legs, but gained something extraordinary in return – the ability to communicate with supernatural beings.
This incident led to Kotoko being appointed as a mediator between the supernatural and human worlds. She became the “Goddess of Wisdom,” using her unique perspective and abilities to solve various supernatural cases and maintain the balance between the two realms.


Kotoko Iwanaga’s appearance is often a topic of discussion due to her doll-like features and petite build. With fair skin and captivating purple eyes, she possesses an ethereal beauty that draws the attention of those around her. Her short hair frames her face and accentuates her youthful appearance.
Despite her delicate appearance, Kotoko exudes a unique charm and confidence that reflects her inner strength. She carries herself with grace and poise, leaving a lasting impression on those who meet her.


Kotoko’s primary ability lies in her talent for communicating with supernatural beings known as Yokai. This ability allows her to gather information, seek their help, and gain insight into various supernatural phenomena. She uses her knowledge and understanding of the Yokai world to unravel complex mysteries and solve cases involving both humans and supernatural entities.
In addition to her psychic communication skills, Kotoko possesses a keen intellect and analytical mind. She excels at uncovering the truth behind intricate puzzles and understanding the motives of those involved. Her ability to think outside the box and consider multiple perspectives allows her to navigate complex situations with ease.

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Kotoko Iwanaga is from the series Kyokou Suiri, also known as In/Spectre. Created by author Kyou Shirodaira and illustrator Chasiba Katase, the series follows Kotoko’s journey as she tackles supernatural mysteries and protects the delicate balance between the human and yokai worlds.
The character of Kotoko Iwanaga has captivated audiences with her unique blend of charm, intelligence, and vulnerability. Her origin story and development throughout the series showcase her growth as a character and her unwavering commitment to maintaining harmony in a world where the line between reality and the supernatural is blurred.

Kotoko Iwanaga – FAQ

Who is Kotoko Iwanaga?

Kotoko Iwanaga is the main protagonist of the light novel and anime series “Kyokou Suiri”, also known as “In/Spectre”. She is a young girl who became an intermediary between the supernatural world and the human world after losing her right eye and left leg in an encounter with Yokai (supernatural creatures).

What are Kotoko’s abilities?

Kotoko possesses several unique abilities that make her a formidable mediator. Her most notable ability is her “Steel Lady Nanase” power, which allows her to create and manipulate rumors that manifest as powerful supernatural entities. She also has heightened senses, exceptional deductive powers, and extensive knowledge of the supernatural world.

What is the significance of Kotoko’s missing eye and leg?

Kotoko’s missing eye and leg are the result of a traumatic encounter with Yokai. These injuries, however, give her special powers and make her an attractive candidate for the position of Broker. The loss of her eye and leg symbolizes her sacrifice and commitment to bridging the gap between humans and yokai.

What is Kotoko’s role as a mediator?

As an intermediary, Kotoko acts as a mediator and problem solver between humans and yokai. She resolves conflicts, investigates supernatural occurrences, and negotiates with Yokai on behalf of humans. Her role is crucial in maintaining balance and harmony between the two worlds.

What is Kotoko’s personality like?

Kotoko is known for her sharp wit, cleverness, and resourcefulness. She has a strong, independent spirit and a bold, confident demeanor. She often uses her intelligence and charm to manipulate situations to her advantage. Despite her tough exterior, she cares deeply for others and is willing to make personal sacrifices for the greater good.

Does Kotoko have a romantic relationship in the series?

Yes, Kotoko is romantically involved with Kuro Sakuragawa, a young man she meets after becoming an intermediary. Their relationship develops over the course of the series, with Kuro providing emotional support and assisting Kotoko with her supernatural investigations.