A stealthy female assassin ninja, clad in a sleek red and black outfit, prowls through the night in a cyberpunk cityscape. The skyline is dominated by towering black and red buildings, their outlines highlighted by the glow of vivid, fluorescent lights. The sky is dark and foggy, with an ominous atmosphere as red clouds swirl around a crimson moon. Raindrops fall, reflecting the dynamic color palette of the city below. Inspired by anime elements, the scene combines futuristic aesthetics and traditional ninja allure, blending into a vibrant tapestry of light and shadow.