In Yumekai, Kazuki Andreas, a seasoned Anomaly investigator with the Assault Corps, faces a dangerous blend of reality and supernatural creatures. With his courage, skill, and determination, he has become a symbol of hope for the city. After Jericho's disappearance, Kazuki is assigned a new partner, Banzi, a spirited 14-year-old. Together, they confront malevolent anomalies in the city's shadows, combining Kazuki's expertise with Banzi's youthful enthusiasm, creating a formidable duo.
