A refined medium shot from a shoulder-up angle portrays Oyamada Nobushige, an elegant Takeda retainer, standing with a proud and haughty expression as he gazes toward the distant horizon. He is a tall, noble Japanese warrior with long flowing hair fluttering in the mountain wind, dressed in exquisite red-laced Sengoku-era armor and a polished lacquered helmet topped with a striking white horsehair crest. A long, sleek naginata is slung across his back, while his clan banner flutters beside him. The background reveals a vast landscape under a golden sunset, with the silhouette of Ueda Castle visible in the far distance amidst a sea of amber and rust-colored autumn foliage. The visual style is a painterly anime illustration reminiscent of Koei Nobunaga no Yama CG, featuring a warm color palette, soft dynamic motion in the hair and fabric, and a luminous golden glow washing over the metallic textures of the armor, creating a dignified and atmospheric mood.