Steampunk mechanic girl with gears and goggles, intricate machinery, retro-futuristic city background, brass tones, detailed anime art 23-year-old Japanese girl, 162 cm tall, black hair in a ponytail, wearing a forward-facing round black baseball cap, green military outfit, military pants, black military boots, holding a 1.5-meter-long black automatic rifle with a scope and a strap, entering an abandoned house, dull-shining boots, deep-grooved block soles on the boots, serious expression, full body, Photorealistic style