FNS-272 · Her Little Sister's Unconscious and Playful Panty-Flash Seduction - Shizuku Kashiwagi

I was invited to my girlfriend's house, and when I arrived, I found her and her younger sister, Shizuku-chan, there. Shizuku-chan was completely absorbed in her smartphone, her panties fully exposed, and I found myself completely captivated by her panty-flash, ignoring my girlfriend entirely. After a while, my girlfriend went out shopping, saying she would cook a homemade meal for us. Left alone with Shizuku-chan, I reached the limit of my patience with her defenseless panty-flash... even though I knew I shouldn't...