Summary
"Please teach us naughty things."
One day, Itsuki is transported to another world, where he is confronted by sisters who serve the goddess. In order to return to the real world, he must give them practical sex education!
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Alternative Titles: 聖なる乙女と秘めごとを, Seinaru Otome to Himegoto o, Doing Secret Things with the Holy Maidens, The Holy Maiden and the Secret, 与圣洁少女们的不可告人之事, 與聖潔少女們的不可告人之事, Bí mật của những trinh nữ thiêng liêng
