Black and white line-art illustration for an adult coloring book, 18+ erotic style. A sensual scene of two women lying together, one with long flowing hair, gently touching the other's face. Their bodies are partially covered by floral vines and silky sheets. Stylized anatomy, clean outlines, and elegant curves. No shading or color. Add decorative elements like candles, butterflies, and abstract swirls in the background. Artistic and relaxing, in the style of adult anti-stress coloring pages.