Serie includes 16 albums .
Makai Kishi Ingrid ni Nakadashi Dekiru Soapland
Makai Kishi Ingrid ni Nakadashi Dekiru Soapland | A Soapland Where You Can Creampie Hell Knight Ingrid
Yami ni Otsu Kunoichi-tachi FINAL
魔界ソープ嬢アナル堕ち編