character: niiyama_satomi_(Hibike! Euphonium), kyoto animation style illustration of Niiyama Satomi, mature anime style, long face, mature longish face,brown hair, parted bangs, no bangs falling in the center of the forehead, medium-long hair neatly and elegantly tied back, an elegant hairstyle symbolizing the intellectual working women of that time, bluish violet eyes, lavender eyes, cool-toned purple eyes, thick eyelashes, high hairline, longer distance between hairline and eyebrows, center part starting high on the crown, mid-30s,medium breasts, a wedding ring on the left ring finger, cgptbg, inside a mysterious ice aquarium spreading across a world of minus 20 degrees, a breathtaking view of the ice aquarium, a deep wide-angle perspective composition capturing a narrow passage surrounded by high walls made of ice blocks from the front, fantastical futuristic lighting from vivid blue fluorescent lights and neon lights on the ceiling, shallow depth of field (the woman in the foreground and the ice walls are clear, while the background is softly blurred), the left side and back of the screen are largely occupied by walls of transparent crystal-glass-like ice blocks stacked in many layers, overwhelming detailed expression where silhouettes of real sharks,bonito, and schools of small fish, frozen instantly while swimming, are clearly trapped inside each ice block, solemn and cold light reflections shining dull blue on the ice surface, the right side of the screen is occupied by the rough rocky wall of ice as white as freshly carved snow, the ceiling is covered with vivid sky-blue paint and large blue fish illustration designs, large bokeh of pop decorations with small orange and yellow round polka dots, the glitter of another bright exhibition room visible at the end of the passage, the tense,cold, and humid feeling of air below minus 20 degrees, a high-end snapshot with a sense of presence like a scene from a movie, one beautiful woman (Niiyama Satomi) standing in the center foreground, looking back at the camera and smiling gently, wearing a pure white hooded winter bench coat over her private clothes, the volume of the loose coat covering the body lines and the detailed expression of the soft wrinkles of the padding, gently adjusting the front zipper button with her right hand, a full, bright smile glowing with joy, slightly shy due to the freezing space, a sweet and lovely expression full of happiness, a neat appearance, the surrounding blue neon light dramatically and beautifully edges her white coat and gentle profile, very long almond-shaped large eyes, horizontally long eyes stretching from the inner corner to the outer corner, eyes about 15% larger while maintaining vertical width, large eyes with naturally open upper eyelids, lower eyelids gently curving down from the center to the outer corner, the lower eyelid line is clearly visible, the outer corners are soft and round, gentle sleepy droopy eyes, soft eyes in the style of Kyoto Animation, the iris occupies 60-65% of the width of the eye, the top and bottom of the whites are slightly visible, delicate eyelashes, medium-thin natural eyebrows, slightly thick natural eyebrows, the head of the eyebrow is not too thick, gentle arched eyebrows, the peak of the eyebrow is not prominent, soft and natural eyebrows, natural hair flow, elegant and mature eyebrows, anime illustration, great quality, best quality.