Ryuta had always enjoyed illicit sexual relationships with married women through dating apps. Although he had previously lived an unpopular life, the apps had helped him meet many lustful women, significantly improving his sexual skills. Especially those sexually frustrated married women who enjoyed having affairs with Ryuta, becoming his most effective and preferred targets. Today, he was matched with a high-caliber, top-tier married woman again. While listening to her complain about her husband or share her life story… he was shocked to discover that this woman was none other than Kana, the number one beauty in his school back then! Kana also discovered that Ryuta had once been an ordinary, unremarkable boy in a group with no friends, and thus decided to leave…