They met two years ago, when the brother brought her home as his girlfriend. When the brother said, "I never believed in love at first sight, but from today I believe in it," she replied, "Me too," and the two became a couple. Since then, the two have continued their secret relationship, but when she marries the brother, she tries to end it. However, the brother doesn't want to end the relationship like this, so he forcefully pushes her down! She also realizes that she can't let go...