A five-year casual sex relationship with my son's friend. Having an affair with a younger child… I was consumed by this. Kimura Rei JUR-702

"She said the same thing five years ago, Rei said it too." My son's friend, Kitayama-kun, and I had a five-year-long casual sex relationship. The catalyst was my husband's infidelity… After arguing with him, I was heartbroken when Kitayama-kun confessed his feelings to me. I wanted to reciprocate his feelings, and also wanted to get revenge on my husband, so that night we crossed the line. From that day on, we went from being a friend's mother and my son's friend to casual sex partners. We continued our secret, our mutual desires untold, but because Kitayama-kun got a girlfriend, our relationship began to waver…