It's been three years since my uncle died in a car accident. I came to the house in the mountains where Aunt Yukino lives with my father for the summer vacation. I met Aunt Yukino a long time ago, but it hasn't changed at all ... No, it's cleaner than before. Aunt Yukino's big boobs, wet with sweat, shined dazzlingly in the setting sun, and I was nailed. That night I saw something that shouldn't be seen. Aunt Yukino and her father are sweating and looking for each other ...