Rookie OL 'Chisa' is targeted by senior OL 'Akari' and kidnapped in a confinement room. 'Akari' is a lesbian and has been repeatedly power harassing and sexually harassing new employees. 'Chisa' is deprived of her freedom with iron restraints made by 'Akari' and 'Tsubaki' who are in the same generation. 'Chisa' is made to squid by an electric massage machine and is played like a toy. 'Chisa' who was thrust at the same time by two people with a strap-on reaches an endless climax...! !