A serene celestial shrine maiden with flowing midnight blue hair adorned with delicate silver butterfly ornaments, kneeling peacefully at a traditional Japanese shrine torii gate under a luminous full moon, soft pink azalea flowers drifting gently around her, gentle sakura petals floating in the cool night breeze, cel-shaded with fine elegant black linework, cool blue and silver color palette with soft moonlight glow, tranquil contemplative mood, delicate manga-style aesthetic with ethereal glowing particles, peaceful night scene concept art