A young female in detailed futuristic samurai attire wields a saber, styled as a cinematic movie poster. She stands confidently against a backdrop of fluttering flags and a towering ancient mech. The scene is vibrant, bathed in sunny, natural lighting, embodying anime and manga aesthetics with bright, bold colors. The image is rendered in high detail, evoking the rich texture of offset printing, with a focus on an 8K HD resolution. The atmosphere is joyful, capturing a moment of harmonious strength in a vividly imagined future, set within a dynamic portrait orientation.