My entire life revolves around Aika. - A record of six years of continuous intercourse between my first time having sex, my adulthood, and my sister's friend Aika, with whom I gave my all - Aika Yamagishi PRED-427

When we first met, she was my sister's friend. Later, because we got along so well, I gradually became attracted to her. One day, when we were alone at home, she asked me, "Want to have sex with me?" From that day on, we had sex several times. Even though we both had boyfriends or girlfriends, our sex life was different. We could express all our perverse desires and willful thoughts on each other. My first experience, my first time inside her, was all with Ayaka. However, Ayaka was getting married soon…