I was in a state of boredom with my wife, but I succumbed to the temptation of my sister-in-law and creampied many times...

My wife went on a trip alone. As the relationship between the couple is getting colder, I can no longer bear the invitation from my wife's sister Airi... "I wish I had met her before my sister..." Even though I still think it's no good, my rationality is blown away by the temptation I whispered in my ear... I had intense sex with Airi in the daytime, night, and morning while my wife was away, and I had creampies over and over again... [Premium exclusive decision first edition]