Lumi Nikaitou was conducting an undercover investigation into an anti-social group and setting up wiretaps. However, she was discovered by a cunning opponent and caught. Pleasure torture descends upon Lumi, who desperately refuses to reveal her identity. She endures with all her might in humiliation and disgrace. However, the strongest aphrodisiac and trampling torture that induces madness transform the strong woman's body. She repeatedly experiences amazing orgasms and falls into a lewd flesh doll.