Demonic Embryon is a crazy anime adventure in which a young girl named Viola and her brother Milo live peacefully in a small village. But all of a sudden, a demon attacks, and he demands his spawn to be born from a woman. Viola is chosen to be impregnated, and a spell is cast on all the village men that turn them into rapists with the mission of breeding. Even Viola’s brother Milo rapes her. Your task will be to ensure Viola gives birth to the baby demon. The game has multiple endings, one of which is the true ending. The others are fetish twine quests from which you can return to the main plot line and learn how to end the adventure.