is a Japanese manga series written and illustrated by Yui Haga about Naoya, a man brought to a magical world as a candidate for the Princess Astarotte's harem.

began its serialization run in the July 2007 issue of Dengeki Maoh and later republished in collected volumes by ASCII Media Works.

Initially a mere kiss will suffice, however as Succubi mature into young adults they eventually need to consume a liquid called "sáðfryma," better known as semen, to sustain themselves.

However her followers are able to find a human male named Naoya Tohara who, along with his daughter Asuha, is brought to the monster realm to be part of Astarotte's harem.

Produced by Diomedéa, the series is directed by Fumitoshi Oizaki, series composition by Deko Akao, music by Twinpower, character design by Mai Otsuka, and produced by Gorō Shinjuku, Jun Fukuda, Naoki Iijima, Takashi Kikuya and Tatsuya Ishiguro, respectively.