Masaaki gave birth to Ryo when he was 20 years old. Her father disappeared, and Ryo raised Masaaki single-handedly against the opposition of those around her. Parent-child relationship was good, and the two were closer to friends than parent and child. One day, Masaaki invited Ryo to a hot spring trip. Contrary to her usual two trips with Ryo, Masaaki intends to confess her feelings to Ryo.
