Hisayo Nanami, the one-man female president of a loan company who boasts that all employees are her own slaves. Hisayo, who was betrayed by a man who was loved as a masochistic slave in the company and was seized by an unscrupulous company, is put on a collar and disciplined as a men's sex slave! Hisayo, who initially rebelled against the humiliating appearance, cries out in pain from bondage, whips, and candles! Even so, the dangerous physical training that does not end, Hisayo, whose pussy leaking lewd juice is trampled by a meat stick, cums many times while panting with an amorous voice!