A walk date between a beautiful woman and her grandfather! Yui Oba Ooba, who has always loved her grandfather, enjoys a walk date with old man Yamada in a town filled with old-fashioned charm. They even visit old man Yamada's house to enjoy a home-cooked meal and fireworks, and the two quickly become closer! Of course, they end up doing something like that at the end... Don't miss the way Yui is drawn to the generous old man!