A luxurious high-rise office at night, with floor-to-ceiling glass windows revealing a glowing city skyline. The atmosphere is calm but filled with tension.In the foreground, a young woman dressed in a simple navy-blue cleaner’s uniform wipes a polished desk. She wears yellow gloves, her expression soft yet focused—hinting at hidden strength and untold struggles.Behind her, slightly blurred but powerful in presence, stands a tall, sharply dressed billionaire in a dark suit. His gaze is fixed on her—intense, curious, and emotional—suggesting a deep secret connection.The lighting is cinematic: warm indoor lights contrast with the cool blue tones of the night outside, creating a romantic yet mysterious mood.Text placement:Title “The Billionaire’s Secret Cleaner” appears bold and elegant across the lower center.A subtle tagline at the top or bottom reads:“He owns the company. She cleans it. But he’s been watching her all along.”Overall tone: romantic, dramatic, mysterious, and emotionally charged.