My childhood friend Moko, who lives next door, is dating Katsuya, a guy with a short, foreskin-covered penis. One day, without knowing that I have feelings for her, Moko came to me for advice about her physical compatibility with her boyfriend. She's troubled because sex with him isn't pleasurable. Her heart loves him, but her body doesn't respond... I have something that other guys envy: a massive cock inherited from my parents. I mustered up the courage...
