Niplheim no Karyuudo

Based on the erotic doujin game by Kuro Densha (黒電車).<br> <br> Azel is at war with the demons, but is captured and violated all over. When she returns home, her lust is overflowing! And a strange crest on her body may have something to do with it... She'll just have to have the machinist take care of...<br> <br> (Source: DLsite English)