Itona Horibe

Original Name 堀部 糸成
Romaji Name Horibe Itona
Nicknames None
Series Ansatsu Kyoushitsu
Age Unknown
Weight 117 lbs
Height Unknown
Date of Birth Unknown
Blood Type Unknown


Itona Horibe, a character from the anime and manga series “Ansatsu Kyoushitsu” (Assassination Classroom), has a complex and multifaceted personality. Initially introduced as a transfer student with the single-minded goal of killing Korosensei, his personality gradually evolves as he becomes a part of Class 3-E.
Itona is portrayed as obsessed with power and driven by a strong desire to surpass his current abilities. Determined to become more powerful than he is, he often displays a competitive and relentless nature. Despite his initial antagonistic attitude, Itona shows a capacity for growth and development as he forms relationships with his classmates.
Over time, Itona’s personality begins to change as he experiences friendship and camaraderie within Class 3-E. He becomes more open, accepting, and willing to work with others. Although he retains his ambitious nature, he learns the value of teamwork and the importance of relying on others for support.

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Itona Horibe’s background in “Ansatsu Kyoushitsu” is gradually revealed throughout the series. He is introduced as a transfer student along with his guardian, Shiro. Itona initially claims to be the younger brother of Korosensei, the target of Class 3-E’s assassination attempts.
It is later revealed that Itona is not related to Korosensei by blood. He is the son of the CEO of a major mobile phone company, and his transformation abilities, which include growing tentacles out of his hair, are the result of a scientific experiment conducted by a certain organization.
Itona’s troubled past and his association with the organization contribute to his initial antagonistic behavior. However, as he interacts with the students of Class 3-E and begins to form bonds with them, he gradually transforms and finds a sense of belonging.


Itona Horibe’s appearance in “Ansatsu Kyoushitsu” is distinctive and striking. He is depicted as a young boy with short, messy black hair and piercing blue eyes. A notable feature of his appearance is his ability to grow tentacles from his hair, resembling those of Korosensei.
In terms of clothing, Itona is typically seen wearing the standard Class 3-E uniform, which consists of a black jacket over a white shirt and black pants. His unique appearance, combined with his intense and determined expression, adds to his overall character design and reflects his ambitious nature.


Itona Horibe possesses unique abilities that play an important role in Ansatsu Kyoushitsu. His primary ability is the ability to generate and manipulate tentacles from his hair. These tentacles are similar to those of Korosensei and grant Itona enhanced physical abilities, including increased agility and strength.
His tentacles allow him to perform fast and powerful attacks, making him a formidable opponent. However, as the series progresses, Itona learns to control and refine his abilities, using them not only for destructive purposes but also for defensive and supportive maneuvers.
In addition, Itona’s intelligence and adaptability contribute to his effectiveness as an assassin. He demonstrates strategic thinking and a willingness to learn from his mistakes, allowing him to evolve as a fighter and contribute to the overall goals of Class 3-E.


Itona Horibe’s origin in “Ansatsu Kyoushitsu” is rooted in his association with a certain organization. His transformation abilities, which include the growth of tentacles from his hair, are the result of a scientific experiment conducted by this organization.
The details of Itona’s origin and the organization’s motives are gradually revealed throughout the series. It is revealed that he was chosen as a candidate for experimentation because of his potential and the unique nature of his abilities.
As the story progresses, Itona’s origin becomes intertwined with his personal growth and development. His journey from an antagonist with a singular purpose to a valued member of Class 3-E reflects the complex interplay between his origin and his personal experiences within the series.

Itona Horibe – FAQ

Who is Itona Horibe?

Itona Horibe is a character from the anime and manga series “Ansatsu Kyoushitsu” (also known as “Assassination Classroom”). He is a student in class 3-E at Kunugigaoka Junior High School.

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What is Itona’s role in “Ansatsu Kyoushitsu”?

Itona first appears as an antagonist in the series. He is a transfer student who joins Class 3-E with the intention of assassinating their teacher, Koro-sensei. However, as the story progresses, Itona’s role evolves and he becomes more involved with the main group of students.

What are Itona’s abilities?

Itona has enhanced physical abilities due to the experiments performed on him by the organization known as “Shiro”. He has high agility, speed, and strength, making him a formidable opponent in combat. He also has a tentacle-like appendage called the “Octopus-Style Anti-Sensei Weapon” that he can use to attack his enemies.

Does Itona have any personal goals?

At first, Itona’s main goal is to assassinate Koro-sensei. However, as the series progresses, he begins to question his motivations and develops a stronger bond with his classmates. He eventually joins forces with Class 3-E and contributes to their efforts to save Koro-sensei from assassination.

How does Itona’s character develop over the course of the series?

Itona begins as a mysterious and antagonistic character, but he undergoes significant character development over the course of the series. He begins to form friendships with his classmates and shows a willingness to protect them. Itona’s growth is also marked by a shift in his motivations and the discovery of his own identity outside of being a weapon.

Does Itona have any unique characteristics or quirks?

Itona is often seen wearing headphones and listening to music. This habit is a result of his attempts to drown out the constant ringing in his ears caused by the experiments being performed on him. He also has a mischievous and playful side, which contrasts with his serious and determined nature during combat.