A slightly plain-looking female office worker who works in a civil engineering office. - The female clerk is the only woman in the office, and she is surrounded by sweaty male civil engineering workers... - Such a female office worker was forced to deep throat by male civil engineering workers every day and was treated like a toy, but finally one day, the female office worker's sexual desire exploded! - ! - Just as the counterattack was about to begin, he took away the freedom of the civil engineering worker's arms and legs and raped him in cowgirl position for revenge! - ! - A civil engineering worker who is deprived of the freedom of his limbs is helplessly raped by a female office worker!