I'm strange in many ways. Since puberty, I've been looking at my younger brother with lewd eyes. Of course, I look at girls like that, but before I knew it, I had even mistakenly thought that my younger brother was a girl. I don't know what kind of person I am anymore, and how people measure gender? Everything is a mystery. In my eyes, my younger brother may be a boy on the family register, but he is a real girl. If you're a girl, it's normal to love each other. What? Isn't it okay for us to be brothers? If you keep waving around such old common sense, I don't think your life will ever be fun. One day, I really wanted to have sex with my younger brother, so I took his penis in my mouth as if I was playing a prank, and I was happy to see it getting bigger and bigger. "It feels good. I might be more lewd than you, big brother... so let's do something more erotic," he said, and I finally...