I work for an IT company and live apart from my wife. My wife had a lot of work and long-term business trips, and when she came back from time to time, she asked me to relieve her anger, and I was getting stressed and lustful day by day. I used to have a good sister-in-law, Sumire, who often came to my house without my wife. One day, Violet kisses me when I'm having a small talk while having a drink as usual. And with a mischievous expression, he whispered to me, "I wish I could abstinence for a month ...".