父親の転勤で実家を離れていた僕。●校に進学し実家に戻ってきたので久々に男幼馴染の家に遊びに行くと出迎えてくれたのは幼馴染の姉の「さわさん」だった。「さわさん」は6歳年上で会うのは4年振り。小さな頃から僕の事をいつも「かわいい」と面倒を見てくれていた優しいお姉さんだ。幼馴染は僕との約束を忘れ、出かけて戻るのは夕方。お姉さんに誘われ一緒に待つことになったのだが…
I had been away from home due to my father's job transfer. After moving back home for high school, I went to visit my hood friend's house for the first time in a while, only to be greeted by his older sister, "Sawa-san." Sawa-san is six years older than me, and it had been four years since we last saw each other. She's a kind older sister who always looked after me, calling me "cute" since I was little. My hood friend had forgotten our date and went out, not returning until evening. His sister invited me to wait with her, but…

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