Nao Shingaki has a part-time job at a mini-mart. Outwardly, it looks like any other mini-mart, but there is something unmistakably abnormal about the place. Inside, the air is choked with vengeful spirits. Outside, thebackyard reeks with a horrible smell. The owner of the mini-mart seems to be overjoyed by the severe injuries sustained by a sales rep for a majorfranchise; while his wife suffers from an unknown madness and spends all of her time staring into the security cameras. Now the spirits have claimed the souls of the night-shift clerk and several customers. Nao is now faced with the task of somehow trying to escape this demonic terror!