GVG-777 Busty widow Rena Fukiishi is gang-raped by an old worker and turned into a sex slave

Rena, a widow who inherited her late husband's factory, is struggling to manage the business, but she has begun to play around extravagantly with the help of subsidies given to elderly workers. - When the factory workers learn of this fact, they are filled with anger and desire and decide to take revenge. - She gets fucked with her dirty body by old factory workers, and in the end, she is made to dance obscenely in a bubble-era body-con dress!