(Sister-in-law, how are you?) Toshiya, who came to Tokyo during the summer vacation, was asked to stay at his brother's house. He secretly admired her sister-in-law, Yumi, and was delighted to see her lively. Toshiya cannot hide his excitement at seeing Yumi's dementia for the first time. After Yumi's marriage, the love that had been hidden comes back and overflows. He surrenders to that impulse and throws her feelings at Yumi, but...
