[A woman like this is incredibly erotic. - A wet slut swamp that can't escape! - ] Mami is a plain office lady who is the only one in her department. - On a whim, Hirai, the company's most attractive man, approaches her due to his habit of having a girlfriend, and is convinced that he can invite her to his house and have sex with her. - But she was good at many things...! - “Have you never had your girlfriend do it to you before?” He grins and licks his entire body, tangling the upper and lower mucous membranes at the same time… He can’t get out of this sex anymore…!