Former office lady Seira Fujisaki was suddenly kidnapped one day and subjected to brutal torture including waterboarding, candle wax, whips, electric vibrators, and drills. While questioning "Why is this happening?", "Who is doing this and for what purpose?", and "What did I do?", she finds herself unable to resist the men's cruel desires. Overwhelmed by fear and pleasure, Seira gradually surrenders her body and mind. Succumbing to intense temptation, she drowns in lust, leading to an unimaginable and shocking conclusion.