Married to the same teacher, Mari entered the family. In the happy reunion of the couple, her husband's mention of a name stiffened her face. It was her former boss who had nurtured her as an educator during her early days as a newcomer, and a man who had taken advantage of her weakness from their past relationship to use her as a consolation. Despite her heart rejecting it, the hand that knew all her sensitive spots led her to the peak. Carrying a sense of guilt towards her husband, Mari today also drowns in the irresistible pleasure lesson...
