The summer days that have passed, the vanishing rural landscapes, and the long yet short three years of being a high school girl. A land surrounded by mountains and rivers, Tochigi. The energetic summer flew by in an instant. Rural scenery is gradually disappearing due to urban development. Hurrying through the sensitive teenage years. However, it is precisely because of such places that one notices something nostalgic yet different about doM, without being able to confirm whether it's a good or bad thing, and indulges in lazy sex. The single ray of light that occurred during her last summer that she can't tell anyone about, what does it mean for her? Only the wide-open anus knows the answer.
