Karl Sanders was in his third year at college. Up until a few days ago, he had assumed that he had almost no hopes of ever getting a girlfriend.The reason was that he was different. He had a strange mutation, a tail, as well as an unusual body odor that all the "human" girls found offensive.All that changed when the girl sitting a few rows behind him in class turned out to be a yokai. She was one of the Japanese Monster Girls, a Rokurokubi.He then learns from her the real story about the supernatural beings. Due to some genetic fluke, the female supernatural beings outnumbered the males six to one.Now, he suddenly finds himself the center of all sorts of female attention. His strange body odor actually attracts monster girls.