[Reducing Mosaic]JUL-049 I'm playing with my fair-skinned, slender sister-in-law. Even if I go all the way inside her, she doesn't care about me at all──. Kanon Sona

Kanon, a married woman of two years. Except for one dissatisfaction, she leads a happy life without any inconvenience. That dissatisfaction is her brother-in-law who lives in the same house. He doesn't have a steady job and only shows up when he's hungry. Kanon doesn't particularly like him. However, even such a married woman has a past she can't tell her husband about. During her student days, she did sugar dating on a whim. A past that a married woman would want to erase was leaked online and found by her brother-in-law who had too much free time…