Tetsuo Takahashi

Original Name 高橋 鉄男
Romaji Name Takahashi Tetsuo
Nicknames “Iron Man”
Series Demi-chan wa Kataritai
Age Not specified
Weight Not specified
Height Not specified
Date of Birth Not specified
Blood Type Not specified


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The biology teacher with a fascination for Demi
Demi’s personality:
Tetsuo Takahashi, the main protagonist of the anime series “Demi-chan wa Kataritai”, is a biology teacher with a deep fascination for Demi, people with supernatural abilities. He possesses a curious and empathetic personality, driven by a genuine desire to understand and learn more about the Demi students he encounters. Tetsuo’s compassionate nature allows him to connect with them on a personal level, offering support and guidance whenever needed. Despite his towering stature and the nickname “Iron Man” given to him by his students, Tetsuo is gentle and approachable, making him a beloved figure in the school community.


While the specific details of Tetsuo Takahashi’s background are not extensively explored in the anime series, it is known that he pursued a career as a biology teacher. His passion for understanding the unique nature of Demi led him to specialize in studying them. Tetsuo’s academic background and genuine interest in the welfare of his students make him an ideal mentor for the Demi students he encounters.


Tetsuo Takahashi is depicted as a tall man with a large build. He has black hair and a beard on his chin, which adds to his mature and distinguished appearance. Despite his imposing physical presence, Tetsuo’s warm smile and friendly demeanor create a comforting atmosphere for those around him.


While Tetsuo Takahashi does not possess any psychic abilities himself, his greatest strength lies in his exceptional teaching skills and his ability to create a supportive environment for his students. His vast knowledge of biology and his genuine interest in the Demi allow him to offer valuable insight into their unique challenges. Tetsuo’s ability to connect with his students on an emotional level and provide guidance based on his understanding of their individual circumstances makes him an invaluable figure in their lives.


Tetsuo Takahashi comes from the anime series “Demi-chan wa Kataritai,” which revolves around the interactions between humans and Demi students in a high school setting. The series explores the challenges faced by Demi individuals and the efforts made by Tetsuo and other characters to understand, accept, and support them. Tetsuo’s origins lie in his creator’s vision of a compassionate and dedicated teacher who actively seeks to bridge the gap between humans and Demi, fostering inclusivity and empathy within the school community.

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Tetsuo Takahashi – FAQ

Who is Tetsuo Takahashi?

Tetsuo Takahashi is a fictional character from the anime and manga series “Demi-chan wa Kataritai”, also known as “Interviews with Monster Girls”. He is one of the main characters and serves as a biology teacher at Shibasaki High School.

What is Tetsuo Takahashi’s role in the series?

Tetsuo Takahashi plays a pivotal role in the series as he becomes interested in researching demi-humans, people with supernatural abilities such as vampires, succubi, and snow women. He aims to understand and support the demi-human students at his school, helping them to overcome their unique challenges and integrate into society.

What are Tetsuo Takahashi’s personality traits?

Tetsuo Takahashi is portrayed as a caring, compassionate, and dedicated individual. He is genuinely interested in the well-being of his students and shows a strong desire to learn more about demi-humans. He is patient and understanding, often providing emotional support and guidance to the demi-human students with whom he interacts.

Does Tetsuo Takahashi have any special powers?

No, Tetsuo Takahashi does not have any special abilities. He is a human teacher who specializes in biology and has a keen interest in studying demi-humans. His strength lies in his knowledge, empathy, and willingness to help others.

What is the relationship between Tetsuo Takahashi and the demi-human students?

Tetsuo Takahashi develops a close bond with the demi-human students at Shibasaki High School. He acts as their mentor and confidant, providing guidance, understanding, and support. Through his interactions, he helps the demi-humans feel accepted and valued for who they are.

Does Tetsuo Takahashi have a romantic relationship in the series?

Yes, Tetsuo Takahashi develops a romantic relationship with one of his students, Hikari Takanashi, who is a vampire. Their relationship evolves over the course of the series as they face the challenges that come with their different natures. Their bond is portrayed as caring and supportive.

Is Tetsuo Takahashi an important character in “Demi-chan wa Kataritai”?

Yes, Tetsuo Takahashi is one of the main characters in “Demi-chan wa Kataritai” and plays a central role in the story. His interactions with the demi-human students and his dedication to understanding their unique experiences contribute to the overall narrative and themes of the series.