Half a year ago, the shogi class I was looking forward to suddenly disappeared, and when I got home earlier than planned, I witnessed my sons wife Mika, who lives with me, having sex with her sons friend. It started from. - She regretted having seen it, but for her son, she decided to ask Mika-san. - The bride obediently acknowledged her relationship and confessed her sexual disagreement with her son. - She said that she would be her partner because of her bad old habits ... and I ended up embracing Mika. - At first I was confused, but Mika wanted to act more aggressively than I expected, and although I felt guilty about her son, I fell in love with holding a woman named Mika. - One night I eavesdropped on her son holding Mika for the first time in a long time, and when I heard her couple growing up, I thought that my role was over.