Naoto gets an opportunity by the goddess to save the world he must choose an heirloom or power. But Naoto's answer took the goddess by surprise. Because Naoto didn't choose between the two, he chose a woman who was none other than the goddess herself.
What's next for Naoto's story? where he must defeat a demon king whose whereabouts are still unknown plus he also has to fight the goddess of darkness and her witches.