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.

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.

A spin-off focusing on Tetsuo's friend, Souma - a specialist in hyperspace theory.
 
Note: Includes 9 extra chapters.

An anthology of Demi-chan wa Kataritai by various mangaka.

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