くのいち義母姉妹淫ら妊法帳～淫術ミルクで絶倫中出し種付け指南～

You’ve just been told by your stepmother and aunt, who live in the countryside, that your family descends from a long line of ninja leaders.
As the heir, it’s now your duty to master the art of erotic techniques.

Under the guidance of your voluptuous stepmother and aunt, your days become filled with milk, sweat, and other… fluids.
A deliciously chaotic life begins!

[Translated from dlsite]