An ordinary person, Kurumi, who was suddenly transported to another world and became a lewd demon. In a world where humans and monsters are at odds, the monster side is unexpected. What's more, her essential...

In this AU spin-off featuring characters from Tonezato Honu's other stories, Ayame's day is thrown into utter chaos when she saves a cute, bat-like creature...that turns out to be a demon, and thanks Ayame b...

Original Doujinshi Series. Collection (By Release Date) 1. Isekai Harem Monogatari + vol.1.5 2. Isekai Harem Monogatari 2 + vol.2.5 3. Isekai Harem Monogatari 3 + vol.3.5 4. Isekai Harem Monogatari 4 + vol....

Me who lives in the house of my half-sister. At home, the image of my sister who uses violence, in her underwear is like a tyrant who rules a country (Our room) with power! For a while, I was determined to s...

A collection of oneshots by Dowman Sayman from the Hydrogen Bomb War series and others, some of which were previously unpublished (appearing only in various magazines). Includes the story "Island".

The 22 page bonus chapter for Slut Girl that was made years later.