[ I'm a novice writer and my English is not very good ] After dying in an accident, a man named Daniel is mysteriously reincarnated into a magical medieval world, where humans, elves, dwarves, vampires, and other mysterious races coexist. However, the world is threatened by a black dragon that terrorizes entire kingdoms with its power of fire and destruction. Daniel decides to become an adventurer to help combat the threat of the black dragon. He meets many friends and enemies along the way, including a lonely vampire struggling with his own inner demons, and an elven warrior seeking revenge against the human race that slaughtered her tribe. Together, they face ever-increasing challenges, from battles against the servants of the black dragon to the search for powerful magical artifacts that can help them defeat it. Along the way, they discover secrets about themselves and about the world they live in. With courage, strength, and skill, Daniel and his friends confront the black dragon in an epic battle that will decide the fate of the world. In the end, they emerge victorious and the black dragon is defeated, but Daniel's journey is far from over, as there are many other threats on the horizon and many mysteries to be uncovered. The Saga of the Black Dragon continues.