Selunelia is a witch who lives on the outskirts of a village. Having already mastered existing magic at a young age, she's begun researching her own self-made magic. For the sake of her research, she took magical energy from nearby monsters, but because the Hero defeating the Monster Lord caused the number of monsters to suddenly drop, she has resorted to taking magical energy from the nearby villagers. And sometimes, she'll also use them as experimental subjects...