In the autumn of our final year as students, Nao, whom I had known since childhood, and I finally started dating. We had aimed to attend the same university, but only I failed the entrance exam. Nao, who passed, went to Tokyo first. 'I'll write you letters!' The letters that arrived seasonally encouraged me, but at the same time, I could feel her being tainted by the city, leaving me with mixed feelings. On the other hand, Nao had a physical relationship with a senior she met at university after drinking alcohol for the first time. The pure country girl from an all-girls school was gradually stained by the city's men...
