​Takeshi Saito finds himself immersed in a thrilling and suspenseful adventure as a security guard at the state-of-the-art amusement park, Fantasien. In a series of unfortunate events, Saito accidentally damages a crucial guidance display and is summoned by his seductive boss, Ms. Amano, alongside his coworker Tamami. Meanwhile, Makoto Kashiwara is sent to fix the broken display, only to stumble upon a chilling secret that unravels a web of murder and mystery. As the night unfolds, Saito must navigate through a nightmarish maze of danger and intrigue. Join him on this heart-pounding journey filled with suspense and unexpected twists.​