Since I was little, my mother raised me alone without a father. I was happy living with my mother and I loved her. And yet, one day, my mother was talking harmoniously with a man she didn't know... We've been together for a long time. Were you my only mother? Even so, he told me that he was going to remarry... The gentle smile and the warm body that hugs me are all taken away by another man. The moment I thought that, I realized that I loved my mother as a 'one woman'.