Four years ago, we made a mistake once… After losing her husband eight years ago, Kiyoka had been living with her only son. As the day of his departure for a job in a distant place drew near, memories from four years past resurfaced. When Kiyoka asked her son what he wanted as a celebration for his university entrance, he demanded her body, and so they entwined once. The hot spring inn discarded her usual rationality, and in the extraordinary setting, Kiyoka released her primal desires. And today, she repeats the same mistake…
