Undercover investigator Azusa Misaki falls victim to wet and messy torture. Infiltrating to track leads on a series of abductions, she is captured and subjected to relentless, sticky torment while wearing her catsuit. Enduring agonizing sessions in rooms colored green, orange, blue, pink, and concrete gray, she gradually succumbs to pleasure, becoming ensnared by WAM lesbian captors. The climax builds toward intimate, shell-fitting ecstasy, with dramatic developments and erotic visuals as the highlight.