Seijuuden: Twin Dolls

Ai and Mai Amatsu are twin sisters, who've been trained by their grandmother Genshu within the family's spiritual traditions. Little perform twins understand how useful being preistesses will likely be when vile creatures from the demon beast world seem to lead mankind astray. The lecherous monsters have an ancient vendetta from the Amatsu family for their part in the centuries in keeping the demon beast world from exploding. Things become complicated when Genshu decides to meet the family's customary duty early because guardians of the god Tenjin's descendant, who actually is a perverted youngman himself. Caught relating to the depravity with the demons and their young charge, will Ai and Mai have the ability to fend all of them off?