A mysterious individual in a black coat who can transform into a crimson Grendel with the help of Carmine Altera. With a physique larger than Van's Grendel, its capacity for violence is all too clear. Despite having been identified as the culprit behind the massacre of the CID's Gamma Squad, its motive for committing such an act is unknown. In fact, very little is known about the individual at all. What is his connection to the final Genesis that Agnès is still looking for? And why is he working with Carmine Altera? For now, theories are all that are available.