My childhood friend Moko, who lives next door to me, is dating Katsuhiko, who has a small, uncircumcised penis. One day, not knowing that I have a crush on her, Moko came to me for advice about her physical compatibility with her boyfriend. She is worried because sex with her boyfriend doesn't feel good. She says that she loves her boyfriend emotionally, but her body doesn't feel anything. I have something that other men envy. It's this huge penis that my parents bestowed upon me. I mustered up my courage...