Yui lives with her husband.She was sickly and was being examined by Associate Professor Sagawa, a famous doctor at the university hospital where her husband works.However, before she knew it, she and the associate professor started having an affair.Although her illness was much better than before, she continued to have an affair without telling her husband.The two gradually become addicted to severe torture using ropes and candles.One day, Yui welcomed Sagawa into her home after her husband went out as usual.However, Sagawa looked different that day...
