Beautiful girl Diana comes from the demon world to enter human dreams and battle the nightmare-dominating killer ghost Gabarin. She fights through the dream world, defeating Gabarin's underlings one by one in an effort to end his reign of terror. However, Gabarin exploits Diana's weakness and lures her deep into the dream realm. If she is killed in the dream, she will die in reality—a terrifying fate. Diana's demonic powers fade within the dream, leaving her in a desperate, life-threatening crisis. Exhausted from battling wave after wave of enemies, she gradually falls into disadvantage. Overcome with shame, she is forced to lick humiliating places, tormented and dragged around while chained. Filthy cocks are shoved into her cute mouth, and the underlings cum one after another inside her. Even as this nightmare continues, they spew eerie poison from their mouths and attack her relentlessly. Diana fights on amidst the toxic fluids, sinking deeper into despair. What will become of her fate?!