Overview:
The adventure begins shortly after a powerful Succubus has been sealed away. You, the main hero have come with an agreement with this beautiful succubus, to work under her in order to restore her power with a great reward, whatever you desire.
Shortly after, an acquaintance you make in the wilds gives you a way to start restoring her power, by placing a Magical Crest on both of you.
You now have to wander around the world in order to mate with girls and increase your ally's powers as her enemies prepare for their next evil plot.
Depending the path you choose to follow the story and the traits you choose, the characters will change their behavior towards that.​