Kaisha de wa Daikirai na Aitsu wo Watashi wa Shinya, Shimei Shimasu.

Synopsis

"I'm going to be 30 in six months. I should just do it at least once..." Asako was working so hard at her job that she found herself about to turn 30 as a virgin. Determine to change that, she decided to make an appointment with a "sex worker for ladies." The handsome man who came to her door brought her feelings of pleasure she had never experienced before. When she looked him in the eye to thank him for the experience, she realized that he is a coworker from her company...? (Source: Comic Harukaze, translated)