Village Girl’s NTR Adventure (村娘のNTR冒険)

The heroine and the protagonist’s peaceful life in their village suddenly
ended when they were made heroes by a mysterious power.
Going out of the village to defeat the demon lord, they explore all around
the world and get rid of the demon lord’s seeds.
But many adulterers are in their way trying to abuse the power of heroes.
Will they be able to shake off their hands of love affair!?