Butai Touken Ranbu Giden Akatsuki no Dokuganryu - Tsurumaru Kuninaga Nendoroid is a chibi rendition capturing the dignified aura of the famous blade-turned-warrior. The figure stands around 100 mm tall with a rounded head and large expressive eyes, reflecting the signature Nendoroid charm. Tsurumaru Kuninaga wears the color palette associated with his character in the stage adaptation—an elegant kimono with navy and white tones, and fine detailing on the hakama and obi. The figure includes interchangeable facial expressions, swapped hands, a miniature blade and scabbard, and a display stand to recreate dynamic poses from scenes in the play. The craftsmanship emphasizes clean paint lines, subtle shading, and faithful character depiction.

Within the Butai Touken Ranbu Giden Akatsuki no Dokuganryu narrative, Tsurumaru Kuninaga is portrayed as a steadfast guardian blade, a figure of calm resolve who travels through time with his fellow Touken Danshi to protect history from distortion. He embodies loyalty, discipline, and a quiet strategic mind, often serving as the voice of reason when battles erupt. His story arc in the stage production weaves themes of duty, friendship, and the weight of legacy, as polished steel spirit meets human vulnerability. Fans connect with his dignified presence, the contrast of his serene demeanor against the peril of the Dokuganryu setting, and the sense that he fights with honor for those he serves.