[Reducing Mosaic]JUL-806 The beautiful sister whom I absolutely shouldn't lay a hand on and I are step-siblings without blood ties... After losing the sibling bond, the two of us indulged in forbidden intercourse during the summer days―. Aota Yuka

Towards the end of summer, when the heat still lingers, I returned to my hometown for my mother's 17th memorial service. Every year, no matter how busy I was, I would find an excuse to come back because of my sister, Yuka. Since losing our mother at a young age, she had always taken care of me like a mother figure and was the woman I admired. Now we are both married, but from long ago, I have harbored feelings for my sister that go beyond sibling love. That night, after the memorial service, our father called us out and confessed that we were not actually blood-related siblings…