Because of my wife's sweaty friend's vigorous hip movements, I ejaculated inside her without even moving my hips. (Kinoshita Ririko JUL-425)

"Don't move... It's my fault." My wife's friend, Rinko, suddenly said these words, and I couldn't hide my shock. If I hadn't noticed Rinko secretly stealing glances at my wife and looking at me with such passionate eyes, I would be lying. I knew that having an affair with my wife's friend was unacceptable. Yet Rinko's temptations grew increasingly bold. And I couldn't resist her; my body and soul were completely under her control…