When she was six years old, she lost the man she loved most and whom she was proud of, her beloved father. When she was eighteen years old, she decided to go abroad and left the boy she had been secretly in love with for six years. In the eighteenth year after her father left, she cried heartbreakingly at his grave with a broken heart. What is the purpose of human life? She discovered the dark world she had built. However... In life, many things have already been determined. Will his appearance, his warmth and waiting be able to melt her heart?