It was a sweltering midsummer day. I came to visit the family home of a colleague who I've been close with since childhood, and I was captivated by his mother, Yukie. Yukie was also a coach at the swimming school I went to when I was a student, and I'd always admired her. One day, on my way home from work, I was taking a shower at my colleague's family home when I ran into Yukie. Yukie instinctively looked away, but her face was clearly aroused by the sight of my genitals...