A player who can fight creatures from the wonders of another world. The main protagonist, Ariake Subaru, was bullied and was chosen as a player of the “Rainbow” rank, which is neither gold, silver, nor copper. He acquired the skill to freely manipulate blood, and his life and position changed completely. As he continues to fight every day, he gradually earns the title as a “Savior” who will save the world.A modern battle fantasy from the up-and-coming production team, “Studio No.9”!

Awakeners, beings with exceptional physical and special abilities, exist in this world. Kannagi Minato, who has been bullied daily, finds himself dragged into a deadly situation. At the brink of death, he is suddenly reawakened. Inside him dwell the heroic spirits of the past founders who saved the world. His life changes after that incident.