A sweltering, hot midsummer day. I came to visit my colleague's parents' house, who I've been close to since I was a child, and I was captivated by my colleague's mother, Yukie. Yukie, who is also the coach of the swimming school I attended when I was in elementary school, has been a woman I've always admired. One day, on my way home from work, I was taking a shower at my colleague's parents' house, and when I ran into Yukie, I ran into it. Yukie couldn't help but arch her eyes, but her face was clearly excited when she saw my vagina...