Rikako Katayama is home alone, getting ready for bed. She slips into her cozy sheets, ready to drift off to sleep. But suddenly, something terrifying happens. Her bed begins to move, and to her horror, she realizes that her bed is actually a monstrous creature. With its mouth wide open, it prepares to swallow her whole… Little does she know, her nightmare has only just begun. Inside the monster’s belly, Rikako finds herself surrounded by slime and tentacles. They slither and wrap themselves around her body, relentlessly penetrating her until she is exhausted, covered in sticky monster cum…