A high contrast, low-key cinematic horror scene unfolds inside a dark, abandoned male public restroom at night. Flickering fluorescent lights cast erratic shadows across dirty tiled walls, while water drips from grimy sinks, creating an eerie atmosphere. Realistic reflections shimmer on the perpetually wet, grimy floor. Suddenly, with a jarring cinematic camera shake, three massive, intensely glowing portals rip open directly in front of the camera, one a vivid red, another a pulsating blue, and the third an otherworldly green. Intense light floods the restroom, momentarily bleaching out the surroundings as smoke and particles swirl around the slow, undulating energy of the portals. This suspenseful analog horror aesthetic, rendered with ultra detail and dramatic shadows, cultivates an unsettling atmosphere. The camera maintains a continuous, deliberate forward motion, a slow zoom pushing inexorably towards the dimensional rifts, emphasizing the deep shadows and creating a dramatic, immersive effect in a 9:16 vertical format.