Dark Veins Spread as Subway Rider Transforms Into Crawling Horror

Create a photorealistic, ultra-realistic live-action zombie-horror sequence inside a crowded Seoul subway train late at night. The central character is a beautiful young adult Korean woman with long black hair, wearing a fitted black crop top, loose grey pajama-style pants, and white sneakers. Maintain identical facial features, hairstyle, clothing, and body proportions throughout the entire video.

The subway is packed with passengers returning home. Some are scrolling through their phones, others are sleeping, and a few are standing near the doors holding onto overhead handles. The train moves naturally through underground tunnels under cold fluorescent lighting. Use realistic handheld camerawork, practical horror effects, believable physics, and cinematic live-action realism.

— THE INFECTION BEGINS

The woman sits casually near the subway doors, looking at her phone. Suddenly, her fingers begin twitching uncontrollably. She drops her phone and grips her neck as dark veins start spreading beneath her skin.

Her breathing becomes increasingly aggressive. Her eyes slowly turn completely white, her face becomes pale and clammy, and dark veins spread across her cheeks, forehead, and neck.

A passenger sitting beside her asks if she is okay.

She slowly turns toward him, revealing blood around the corner of her mouth. She gives him an unsettling smile before releasing a horrifying scream.

— THE FIRST ATTACK

Without warning, she launches herself at the passenger, knocking him backward across the seats. Other passengers scream and rush away.

She moves with terrifying speed, crawling over the seats on her hands and feet. Her back bends unnaturally as she crawls upside down along the overhead handrails, staring at the terrified passengers with completely white eyes.

She suddenly drops onto the floor and charges toward a group of people. Passengers desperately push past one another, trying to reach the train doors.

— TOTAL CHAOS

The infected woman grabs a passenger by the jacket and violently throws him across the carriage onto an empty seating area. Another passenger tries to stop her using a backpack, but she knocks it away and lunges toward him.

She repeatedly slams her body against the train windows. The glass develops realistic cracks before one large window finally shatters outward, scattering safety-glass fragments.

The passengers scream and scramble toward the opposite end of the carriage. She crawls rapidly along the floor, suddenly reverses direction, and attacks another group.

Her movements alternate between disturbing back-crawling, sudden explosive lunges, and unnaturally fast head movements.

— THE TRAIN STOPS

The train suddenly brakes inside a dark underground tunnel. Emergency red lights begin flashing.

Passengers desperately pull the emergency door handles while others hide behind the seats. The infected woman stands completely still in the middle of the carriage.

Her head slowly turns toward the survivors.

She begins laughing uncontrollably, her white eyes fixed on them, blood visible around her mouth. She suddenly drops onto all fours and races toward the camera.

FINAL SHOT: Extreme close-up of her face as she presses it against the cracked train window. Her dark veins pulse beneath her pale skin. She slowly smiles, opens her mouth, and lets out a terrifying infected scream directly toward the camera.

Cut to absolute black.

AUDIO: Realistic subway announcements, train movement, fluorescent buzzing, passenger conversations, sudden breathing changes, glass cracking, screams, footsteps, impacts, emergency alarms, disturbing crawling sounds, wet snarls, and the woman's chilling laughter. No music or narration.