While I, the one who was bullied, was staying at home, my childhood friend came over and said, 'Aren't you frustrated about always being the victim?' and gave me a book on martial arts... I practiced desperately and finally managed to execute techniques! Excitedly, I tried it out on my childhood friend, but she couldn't escape no matter what. My joy was short-lived as I realized that her panties were fully exposed, revealing her buttocks... Seeing her bound in such a lewd outfit made me unable to hold back any longer, and I went for her protruding buttocks...
