As a biology teacher, Tetsuo Takahashi has long wanted to interview demi-humans. Yet due to their rarity he never got the opportunity, until the start of this school year when the new math teacher turns out to be a succubus and a vampire, dullahan, and yuki-onna are included in the wave of new students.
While primarily a school-life comedy, the show also deals with more serious issues (such as ostracism for being different) and occasionally gets philosophical.
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