When I went to my best friend's house, I lost my smartphone and was in a panic. that? Did you leave it somewhere? As I was panicking, my best friend's younger sister grinned and lifted her skirt...and there was my smartphone! You can also see her panties! eh? What do you mean? When you are confused, the temptation gradually escalates. It's bad to be lustful for your best friend's sister! Even though I thought so, I couldn't resist it, and I rode the temptation, and with a full erection, I finally crossed the line...