Haken no seiheki: Bihaku binkan kyonyû(2009)

Yuki is a clerical specialist known as a super dispatch worker. She always takes pride in her work and has a strong sense of responsibility. She is currently dating Hidaka, the head of the accounting department at the private company where she is dispatched, but Hidaka is engaged to Akane, the daughter of the company president. His girlfriend, Yuki, grows dissatisfied with Hidaka's ambiguous attitude... At that time, Yasuhiko, a middle-aged man who was laid off from a major company, is newly assigned to the accounting department. Yasuhiko was not familiar with computers, but with Yuki's guidance he quickly improved. Yuki is attracted to Yasuhiko, who has a wife and children and is the complete opposite of Hidaka.