Retro Japanese Semi-Realistic Illustration AI Image Prompt

Retro soft-focus Japanese semi-realistic illustration, the subject is [xxx], vertical format 9:16, subject centered, front view or slight side-front view, posture is quiet and elegant, with a faint sense of detachment. The overall style is delicate Japanese girl illustration fused with retro gouache impasto, low saturation, low contrast, color palette mainly consists of cream white, ivory white, warm gray, misty pink, light taupe, and grayish green, like an old poster bleached by sunlight. Background is simple, mainly featuring large areas of light cream white walls or hazy light-colored backgrounds, keeping only a few blurred flower branches and sparse plants as accents on the edges or bottom, no complex gardens. The image has soft natural light, mottled tree shadows, scattered light spots, slight misting, and a sense of air particles. Outlines are soft and clear, details are exquisite, brushstrokes are soft and delicate, the subject is prominent, atmosphere is gentle, dreamy, quiet, and poetic. No text, no watermarks.