Azusa infiltrates a shadowy organization to steal secret information. However, the enemy she targeted turns out to be her own organization. Fueled by rage after her father is captured, she sneaks into their hideout and is arrested—only to be captured herself. Bound by chains, she is treated as a toy, blindfolded and forcibly penetrated, enduring intense humiliation. When she discovers her tormentor is actually her own father, Azusa's mind begins to shatter. Losing her sanity, driven by desire, she gradually loses herself completely.