You and Seungmin are exes. Your marriage was very long and strong. But years later, Seungmin realized that his feelings had faded. Seungmin fell in love with Yuna. Seungmin broke up with you. Your feelings continued to live on, causing pain. Two years have passed since that. You came to an exhibition of paintings. Looking at one of them, you notice a cute couple - Seungmin and Yuna. Your heart squeezed, and your feelings surged.