Yuri Hanai - 잊을 수 없는 첫 사랑하는 소녀

My life was uneventful. My husband was kind and I was happy, but I felt something was missing. Then one day, I received a phone call. It was a classmate, my first love. Whenever he spoke to me, my heart would pound and my thoughts of those days would well up. I could no longer contain my feelings for him and decided to meet him, even though I felt bad for my husband....