A military officer from the Ministry of Defense sent to Logios as an overseer by the government. He holds the rank of Colonel. As the overall commander of the Special Investigation Unit for Type 1 Isolation Areas, he is the highest-ranking officer in the field... However, he is unable to accompany the team on-site and primarily handles mission planning and strategy.

He is unfriendly, foul-mouthed, and stubborn. He maintains a certain distance from the girls in the DOLL unit and is often harsh to the main character. In investigations, he frequently proposes hardline measures, often clashing with Manase in opinions.

He has a bearded, stern face with sunglasses, making him look extremely intimidating. His large physique adds to his overwhelming presence. During the Great Collapse, he was safe at a local garrison, but he lost many friends in later battles with the unknown.