Hisae is someone Satoru has always admired, deeply influencing his heart. One day, while visiting Hisae's home, Satoru accidentally catches her changing clothes. From that moment on, his heart becomes consumed by her. On a night when her husband is away, driven by overwhelming emotions, Satoru spends the night with Hisae. The next day, returning home, Satoru embraces Hisae, grateful for her acceptance. A bittersweet summer memory unfolds, filled with longing and tenderness.