It started centuries in the past, when the Miroku ninja clan made a cope with the forces of the underworld, resulting in centuries of battle between rival clans. And now, after greater than 600 years of peace, the denizens of the underworld are about to get a brand new boss.

Now, 18-year-old ninja in coaching Midou Miko is entrusted with the household enterprise: ensuring that sex-starved demons keep out of humanity’s approach! What does a ninja do? Struggle, with each battle ability and sexual sorcery she will muster!