"It's not an affair if it's just a blowjob......Don't you think so?" While working overtime at the company one day. With those words from my boss, our secret relationship began. Despite recently married, to me who has been busy for a while, I could not turn down her proposal. When I finished my overtime, and of course, even during work sometimes, she toyed with me using her mouth and hands. As it gradually escalated, she seduced me more and more. ――But, I had a wife whom I loved. I could never betray her. So no matter how much this body wanted her, the final line, I would never go beyond it. That was what I told myself, while she kept smiling at me.