Led by betrayal, the proud female investigator is quietly cornered!! The bondage of ropes erodes her reason! Falling into the ecstasy of climax! Aphrodisiac x Pleasure x Bondage x Domination! Is this the end of the mission, or the prologue to pleasure...? The hideout of the dark criminal organization "Black Dog" is discovered, and investigator Yuri takes on a solo infiltration mission. After suppressing them in a gunfight, she is captured by an executive in a moment of carelessness. In reality, a spy was hiding in the investigation headquarters, and this operation itself was a set-up trap. Yuri resists bravely, but due to relentless mental and physical pressure, and the influence of a special drug that shakes her reason, her mind and body are gradually eroded. Even the sensations of pain and suffering are distorted, and her will slowly collapses.