Ane to Imouto o Iinari ni Suru 10 no Kairitsu - Hou mo Shimai mo Okashitsukuse! | 姉と妹をいいなりにする10の戒律～法も姉妹も犯しつくせ！～

This is the story of a boy who had three sexy sisters. They kind of overwhelmed him and made him their yes-man.

"I hate this! Some day I'll turn the tables!" he vowed.

Well, that day has come - an angel has visited upon him, bequeathing a tablet of ten spaces so he can write his own... TEN COMMANDMENTS! for his sisters to follow!