2011

The Sagemiya family is cursed in that its members are sexually aroused in the presence of another of the same bloodline. Sagemiya Misaki and her elder twin, Shun, are both disgusted over this and have sworn to resist the calling of their blood. However, Shun loses his composure and goes to their elder sister, Kagu, […]

2004

Narifumi Hosokawa prepares for his high school's culture festival with the Kadomori twins, Shizuku and Kasumi. While everyone is distracted, Shizuku decides to open a mysterious gate through the use of magic and travel to an alternate world. She has broken the oath of her family's heritage, as to protect the Black Gate from those […]

2007

An individual story's about a young man having sex with women, in the end even with his own mother.