Transferred to MC Corporation, female employee Kogawa Iori was actually a spy from a rival company. Obsessed with Takimoto, she infiltrated under the guise of a temporary assignment from headquarters. Takimoto finally uncovers her true intentions and, at the last possible moment, brainwashes her. In an act of retribution, he repeatedly torments Kogawa's body, driving her mind into madness. This intense punishment draws out the deep-seated malice hidden within her heart, leading to a shocking new development.