Other people's wedding anniversaries are celebrated happily and they carefully prepare gifts for each other, but the gift they prepared for each other on their wedding anniversary was a divorce certificate.
She always believed that she was not worthy of a happy marriage, so she kept her heart longing for love frozen. But in order to comfort her parents, she got married. A marriage that can be proven by nothing but the marriage certificate.
He was not picky about the other half he wanted to hold hands with. The only requirement was that he wanted someone he liked. However, in the past thirty years, the woman who attracted his attention has never appeared. The mother, who was eager to have a grandchild, threatened him to get married based on their mother-son relationship, and said that the person he married "as long as it is a woman."
So in order not to listen to his mother's nagging anymore, he signed a one-year marriage agreement with her. Originally, his marriage life had been very peaceful for a year, but he never expected that an 'accident' would happen to her on the night of her divorce...