GVG-391 Busty widow Claire Hasumi is gang-raped by an old worker and turned into a sex slave

Since her husband, the factory manager, passed away, Claire has been trying to run the factory, but the workers who disagree with her plan go on strike and leave the factory. - What remains are three senior factory workers, Yamada, Domon, and Hamura, who are ironically unable to work. - At first, Claire was grateful to them for their loyalty, but she gradually grew frustrated and finally decided to fire them...