Saki Shinkai, an office worker newly transferred from Osaka, constantly tries to assert herself over the senior staff and mocks her older bosses. Furious at being belittled, the men take revenge during overtime: they drug her with aphrodisiacs and subject her to prolonged sexual harassment until pounding fills the office and she cums so hard her body begins to lose control. Overwhelmed by their older cocks, the defiant employee is fucked into craving them.