It's been five years since my affair with my son's friend, Kitayama, began. That night, after we had a huge fight after discovering my husband's third affair, Kitayama comforted me as I felt down. He then confessed to me with a serious look in his eyes, "I want to get revenge on you for cheating on me. Is it okay if it's me?" I crossed the line, wanting to respond to Kitayama's feelings, despite feeling guilty. And then, for the first time in years, I was held by someone and remembered the elation of being loved. After that, five years of our secretly desired relationship began, but something changed in our relationship...