"You said the same thing to me five years ago, Ririko." I had been having a casual sexual relationship with my son's friend, Kitayama-kun, for five years. It all started that day when I discovered my husband's infidelity and we had a huge fight. Kitayama-kun confessed his feelings to me when I was completely devastated. I was moved by Kitayama-kun's feelings and that day we crossed the line. From then on, we continued to desire each other day after day, and my husband and son...