Ultra realistic cinematic black and white couple portrait

Black and white double exposure portrait. Foreground: young couple, back-to-back, holding hands on a rock in the sea. She in black deep V-cut dress, he in dark blazer and trousers. Both turn heads left, gazing toward horizon on cloudy day. Background overlay: translucent overlapping silhouettes of their faces. Eyes closed, heads held high, serene and artistic mood. Vintage grainy finish, diffuse lighting, melancholic atmosphere Insert discreet watermark in the lower right corner of the image, vertical text (rotated 90°), written "aipromptlabs.online", Calibri Light font, white color with low opacity (semi-transparent), medium size. Extreme sharpness on the face, fabric texture and typography of the letters. Shot on Canon EOS R5, 50mm f/2.8, studio light.