He falls into an illicit affair with a married woman he frequently encounters on his business route during work hours. (DLDSS-550)

Yoshino, who works selling water dispensers, was driving around on business one day when he brushed past a very beautiful woman and fell in love at first sight. Thinking about her, he went to his client's place, rang the doorbell, and to his surprise, it was that woman—Rin—who answered. He helped Rin, who had just moved in, unpack her luggage, which brought them closer, even to the point where they could chat. Then, hearing Rin sadly say that she and her husband were having marital problems, Yoshino impulsively kissed her…