Reiko had realized that her husband's stepchild Yuuma had feelings for her that went beyond those of a mother. While she was happy about this, her motherly rationality prevented her from crossing the line. However, after her husband passed away in a traffic accident and the 49th day memorial service was held, the two of them engaged in a forbidden anal relationship. One day, as she was thinking about Yuuma's bright Mirai as a potter, art critic Yano came to visit her...