Office worker Jaehyuk is tired because of a strange man who comes to visit him every night. The identity of the man who came to visit him is Incubus ‘Mor’, which feeds on energy. He comes to Jaehyuk every night and mistreats him, and eventually ends up in a dependency contract after being taken to the station. Mor, who wanted freedom, and Jaehyuk, who just wanted to live a normal life. As contracts and emotions become more and more complicated, will the two be able to get to know their true feelings for each other?

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