Sasuke was apprenticed to merchant family Mozu-ya. Mozu-ya had a beautiful and wise daughter named Shunkin, and they took good care of her. But after she went blind, she became selfish and annoyed her parents and apprentices. She always went to her harp master's house with guide. She pleased Sasuke who was one of her guides, then Sasuke had taken care of her. He respected beautiful and blind Shunkin, served her. Many people envied her for her ego, and many people felt in love her beautifulness. Eventually Shunkin meets with a fatal accident.