In a world where magic and magical creatures coexist with humans, humans are sorted into two categories: those who have magic abilities and those who don't. Within the category of those who possess magic abilities are: necromancers, mages and summoners. Summoners, however, are different from the other two subcategories. It is a magic ability that cannot be passed on from one generation to the next, nor can it be learned. It is a magic ability that is mysterious and randomly selective among the human race. Those who are summoners are born with their abilities, but they aren't rare either.
But as the world began moving forward with moderation throughout time, many magical creatures disappeared, hiding away from humanity as they became prizes for the human race if found. But there are a few creatures who remain, lurking here and there near human civilization, either bringing misfortune or good fortune.
Nina Arundel, a free spirited summoner, travels from place to place thinking that her existence is less than or equal to the other existences on earth. However, it isn't long before she discovers that from the moment of her birth, her existence has always been the world's greatest gift.