Monmusu Quest! / Monster Girl Quest! ~Lose and be Raped~

In a world where monsters take the form of girls, lusting substances that only men can give them.
One boy is destined to change everything forever.
The plot begins when Luke, the hero of this story, in a dream came the goddess Ilias, and ordered to take up arms.
Become a hero capable of destroying the Lord of monsters, whose legions of monstrodevushek everywhere attack people.