夏の星空の約束　短編小説

Before summer vacation, Yuuki receives news from her best friend Lina about her sudden move. The two decide to spend their last day before summer vacation at the school pool, and fulfill their promise at the pool that night. However, when the summer vacation ends, Rina moves to a new town, and Yuuki spends his days with the memories of her in his heart. Several years later, Yuuki happens to meet Rina again on the university campus. The two talk about new promises and the future while looking back on their past memories. The story centers on the deep bond and love that develops between Yuuki and Lina through summer memories, reunions, and new promises.