In the obscurity, Miku Abeno finds herself bound by chains. Reluctantly, she complies with an unreasonable demand to reveal her navel in hopes of rescue. After a thorough examination, she's handed a vibrator and constrain into self-pleasure. Yet, it's her belly button that's the focus of this unusual fetish, demanding the vibrator be placed there. Instead of rescuing her, the captor's excitement leads to an eruption of a mysterious white liquid onto her navel. Cute Miku remains abandoned, still adorned with the lingering evidence of her captivity. Delve into the shadows and mysteries of Miku's enigmatic experience.