In a world where awakeners - human beings who awakened their powers due to the appearance of dungeons hundreds of years ago - fight monsters inside dungeons daily to earn money and increase their ranks, Shiryuu Ackford - a Vicenarian guy - was doing things his own way. In order to discover the truth of a tragedy that happened while he was younger, he went through his journey to find the truth and discover the real history of the world. After receiving a magical weapon in one of his raids and a series of fortunate and unfortunate events, he set his mind on getting stronger and shedding the light on the hidden truth, while struggling between the clash of good and evil. In his adventure to get stronger, find the truth and discern the good and evil, Shiryuu will stumble upon breathtaking mysteries, fight never-seen enemies, and take life-changing decisions. Prepare to set sail on this adventure with Shiryuu and discover for yourselves the real truth behind the lore of the world.