Mark serves as Benno’s trusted right-hand at the Gilberta Company, distinguished by his short brown hair and crisp waistcoat over a white shirt. His dignified professionalism and thoughtful interactions mask a concealed vindictiveness that surfaces when Benno faces disrespect, revealing fierce loyalty beneath his composed exterior.

Having known Benno since childhood, Mark joined the company as an apprentice and remained after Benno’s father’s death to bolster his friend’s leadership. When his own family attempted to seize control of the company following Benno’s parents’ passing, Mark retaliated ruthlessly, dismantling their store in a decisive act of allegiance to Benno over kinship.

Mark mentors Myne and Lutz with pragmatic guidance, instructing Myne in drafting order forms and escorting her to lumberyards. He intervenes swiftly when Myne collapses, ensuring her safety, while rigorously training Lutz to endure the challenges of working alongside Benno and Myne.

Fascinated by Myne’s ability to calculate without tools, he requests her tutelage to hone his own skills. Mark’s ambition centers on becoming Benno’s "God of Fire"—a silent architect of his friend’s success, operating behind the scenes to fortify the Gilberta Company’s legacy and Benno’s ascendancy, even at the cost of personal or familial ties.