The story tells of the adoration of Sasuke for his mistress, the blind Shamisen teacher Shunkin, who treats him imperiously and subjects him to cruel beatings.The story tells of the adoration of Sasuke for his mistress, the blind Shamisen teacher Shunkin, who treats him imperiously and subjects him to cruel beatings.The story tells of the adoration of Sasuke for his mistress, the blind Shamisen teacher Shunkin, who treats him imperiously and subjects him to cruel beatings.