A high-quality anime illustration presented in a medium shot from a slightly elevated angle, featuring a young woman with short red hair and a large bust bathing in the sea. The girl, with a refreshing and relaxed expression, is partially submerged in deep blue seawater, her arms gently floating on the surface as she cools off. She wears a vibrant red and orange color-scheme swimsuit that accentuates her curves. The scene is set in a futuristic post-apocalyptic harbor; a massive, rusted cargo ship sits stranded and tilted in the depths of the bay. In the background, a collapsed cityscape is visible, where skyscrapers are heavily overgrown with lush greenery and vines, while flocks of birds soar through the clear sky. The lighting is bright and sunny, casting shimmering reflections on the water's surface and creating a stark contrast between the vivid colors of the girl's swimsuit and the muted, weathered tones of the ruins. The atmosphere is serene and melancholic, blending nature's reclamation with remnants of human civilization.