My sister's son, Masato-kun, is taking summer classes at a major prep school in Tokyo, so he's coming to stay with us for about two weeks. Seeing how Masato-kun, who was a spoiled child, has grown into a fine young man, I've been attracted to him not just as a nephew, but as a man. Then, one day, by chance, Masato-kun's lips touch mine. "It was an accident, it wasn't a kiss..." I tell myself, but I can't forget the feeling of his lips on my lips after such a long time.