Boris Meyer serves as an inspector for the Royal Investigative Services, where he holds the position of Lily Hoshina's direct superior. A seasoned and experienced officer, he is characterized by his graying hair, calm blue eyes, and a receding hairline, all framed by the meticulously kept uniform of his department. His personality blends a fundamental approachability with a firm professional discipline. While he can sometimes drift into age-related tangents during conversations, this tendency does not detract from his reliability or his authoritative presence. As a mentor, he oversees younger officers like Lily Hoshina with a mixture of warmth and strict authority, adopting a protective, almost paternal role in her development and ensuring her safety during dangerous operations.

Boris shares a profound, decades-long camaraderie with the brilliant investigator Keith Kazama Flick. Their bond, forged through shared challenges and unwavering loyalty, is a cornerstone of his character. He stood by Keith following the murder of Keiths sister and provided support through subsequent crises, deepening the trust between them through years of collaboration. This connection makes him one of Keiths closest allies and a reliable confidant within the RIS. His professional ethos is defined by a steadfast belief in justice and a consistent, unwavering dependability.

In the storys progression, Boris acts as a stabilizing leader and a stabilizing force. His deep familiarity with complex criminal networks and his considerable institutional expertise make him an invaluable advisor to the rest of the team. Despite approaching retirement age, he continues to lead field operations with undiminished dedication, defying the approach of his career's end through continued active service. His investigative abilities are notable for their methodical and practical nature, and he is often called upon for his sharp instincts and quick thinking. He is a skilled detective capable of piecing together clues and solving complex cases, often taking a logical and analytical approach to the challenges he faces. His role is that of a reliable and stabilizing leader who prioritizes the protection of his colleagues while remaining committed to his duty.