Another summer has arrived in the quiet countryside, the heat lingering in the air. The fan doesn't just blow wind—it carries the sound of cicadas too. For eight years now, every summer brings back memories I can't forget. Even though I've moved to Tokyo, I still keep close the memories of living next door to her. The recollection of that big-titted, gentle, affectionate older sister lingers in my heart like a sweet and tangy drink. Those secret, special erotic experiences—things I could never tell anyone. Just when I thought that summer would never return, a sudden voice calls out: "Sakura nee-chan!"