KUNK-051 Track team reserve member Mikoto-chan, 19 years old. Thong panty pervert intense training. Amateur used underwear appreciation society.

I found Mikoto-chan, a first-year university student, at a certain track and field meet. Mikoto-chan is a substitute. She's not a regular, but she's diligent and cute, so I cheer for her. Every time there's a meet, I go to cheer for her, and we've become familiar with each other. Then, by giving her new shoes and training wear, I was able to win Mikoto-chan over. Today, I'm practicing with such a Mikoto-chan at a hotel. Let's make her work up a sweat and see her H panties...