One day, Hiroshi, a classmate of Kazuko Mimine's son, came to visit her house. Kazuko's son had just got a job and moved to the countryside, but Hiroshi came to check on her, worried that she might be lonely. Kazuko, who had lost her husband several years ago, was living alone. "There's no need to worry like that," Kazuko said with a laugh, but when she invited Hiroshi into her house and took a bath, Hiroshi, who had been watching them, became aroused by Kazuko's voluptuous body and came to see her while she was bathing...