Mamami works at the same workplace as her husband. Her husband was serious and kind, but there was also a sense of dissatisfaction. Mamami's colleague, Uchimura, had been attracted to her for some time. One day, while Mamami was working late, Uchimura pushed her down. He pulled up her skirt, tugged down her panties, and gazed at the beautiful buttocks that had fueled his fantasies through her tight skirt, taking her from behind. Mamami couldn't resist Uchimura's fierce thrusts; she screamed and convulsed in a way she never had with her husband, reaching climax...
