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Original Japanese title of this story: 淫魔な彼女がウィーンの地下で催眠をかけてきたら (She is a Succubus and I am hypnotized by Her in the Basemant of Vienna, then)
This story is written in Japanese.

Hetalia fanfiction, Alternate Universe, Elizaveta/Roderich (they are depicted usual human being (as matter of fact, on this story, Elizaveta is an usual human but she is an existance like a succubus) and live in current world), het.
Roderich is hypnotized by Succubus Elizaveta in the basement storage of his mansion which is in Vienna.
Roderich married to Elizaveta, and in the world of this story, magic and so on exist (so this story is also low fantasy).
The protagonist of this story is Roderich.