Nightmare x Onmyoji ~Kindan no Paradox~

The main character of the hentai, Katsuragi Kuon, at first glance is an ordinary average student who spends ordinary unremarkable days and avoids communication. But with the onset of night, she reveals her true face - she is a descendant of the ancient onmyoji clan, who are called to exorcise evil demons. One day, three young people approached Kuon, who had recently come from abroad, where they exorcised evil spirits. They were Shindo Setsuna, Shindo Yuka, and Kitagawa Toma. They told Kuon about mysterious disappearances in the vicinity of the city and urged her to help investigate this intricate case. However, the enemy made his move first and kidnapped the Shindo sisters right in front of Kuon and Toma. They began an investigation and discovered a connection with the cult of disappearing demons that Kuon's father had been hunting for many years. Kuon went to the very heart of the cult with full awareness that it was a trap...