Miyoshi's mother was Mako Oda,

His father remarried a former subordinate of an old company, Mako, and suddenly came to the house as a good mother-in-law. His son's masterpiece could not accept such a young child as his stepmother. One day, a friend of mine who came to play told her that Mako had come to this house because she was looking for property, and the masterpiece committed suicide by playing. Then, he is conscious of his true child and even looks into the bedroom with his father. However, Shinko noticed the gaze and felt it while staring at the masterpiece.