JUL-876 While My Wife Was On A Business Trip, I Was Seduced By My Sister-in-law Sumire, And We Had Sex With Rich Vaginal CUmshots Until All The Sperm I Had Stored Up Over The Past 30 Days Emptied Out... Sumire Mizukawa

I work for an IT-related company and I live apart from my wife. Due to her work, her wife has a lot of long business trips and sometimes comes back and asks as if to relieve her anger, and my stress and libido were increasing day by day. I had a good sister-in-law, Sumire, who often came to my house without my wife. One day, Sumire kisses me when I'm talking about small things while having a drink as usual. And with a mischievous expression, she whispered to me, "I wish I could continue this for a month...".