Yuusha-chan no Bouken wa Owatteshimatta!

The protagonist of the hentai is a real hero. She single-handedly defeated the Demon King and saved the world. But the girl is not going to rest on her laurels. She goes on a journey to eradicate the remnants of the army of deomons. But all along the way she is plagued by strange unexplainable lecherous nightmares. Which eventually penetrate into her daily life and defile her body....