Shimai Miko ~Chijoku no Kinbaku Manjizeme~

Miko is the best offering to Orochi, an evil God. Kurouto, a man who tries to rise Orochi, successfully confines Hazuki and Satsuki, miko sisters, and gives them sex training to be the offering to Orochi. Miko sisters are gradually destroyed by his severe training. But it doesn't stop, gets even more severe.... What will happen to two girls, who are now sex slaves, in the end...?