The main protagonist. A biology teacher who is fascinated by demis and wants to learn more about them. He is occasionally referred to as "Iron Man" by his students, a pun on his bulky physique and his name. As he learns about demis, he starts to understand the problems they face, both as teenagers and demis, and strives to help them in any way he can.

(Source: Wikipedia)

Succubus, Dullahan and Vampire. They are known as Ajin, or "demi"s and are slightly different than the average human. They have lived alongside humans for ages under persecution. However, in recent years, they have become accepted as members of society. This story follows a high school biology teacher who has a great interest in demis and his interaction with the various demis in his school, each with their own cute problems.

__Height:__ 173 cm 

[Profile](https://haikyo.co.jp/profile/profile.php?ActorID=11470) | [Twitter](https://twitter.com/MY_MURMUR) | [Instagram](https://www.instagram.com/j.suwabe/)

Won Best Song at the 6th Seiyuu Awards (2012) for "ST☆RISH" (shared with Takuma Terashima, Kenichi Suzumura, Kishou Taniyama, Mamoru Miyano, Hiro Shimono) in _Uta no☆Prince-sama♪ Maji Love 1000%_. Won Best Supporting Actor at the 7th Seiyuu Awards (2013).

**Non-Anime Roles:**
- Radio DJ - Kamen Rider Kuuga (TV Series)
- Artem Wing - Tears of Themis (VG)
- Jenua - Epic Seven (VG)
- Dekotorade - Bakuage Sentai Boonboomger (TV Series)
- McBurn - The Legend of Heroes Series (VG)

[Instagram](https://www.instagram.com/luisluisradio/)

A Mexican voice actor. He is known for being the Latin American Spanish voice of P.J. Duncan in *Good Luck Charlie* and Percy Jackson in *Percy Jackson & the Olympians: The Lightning Thief*.

He is the son of [José Luis Orozco](https://anilist.co/staff/182226/Jos-Luis-Orozco) and the brother of [Alejandro Orozco](https://anilist.co/staff/182229/Alejandro-Orozco) and [Andrea Orozco](https://anilist.co/staff/139006/Andrea-Orozco). 

Call them “demis”! ... Vampires, dullahans, succubi, snow women. These are just a few of those beings once known as “demi-humans,” and high school Biology teacher Testsuo Takahashi has always wanted to meet them. He gets his chance when the new term starts, and there are four “demis” in his school! Join the caring, bumbling Tetsuo in his quest to get to know these adorable monster girls, while helping them navigate the highs and lows of high school!
 
(Source: Kodansha USA)
 
Note: Includes 5 extra chapters.

Streamed special of Demi-chan wa Kataritai which will also be included with the DVD/BD volume 7.


Tetsuo Takahashi