He is her younger brother and although the two have no blood relationship, she always considers him to be her biological brother. He doesn’t want to be her brother, but he is also afraid that he will create distance between them. If their first encounter in life wasn't that way, would it be different now? The girl he loves is right in front of his eyes but is like the wind.. she can't be held down. What can he do to stay with her for the rest of her life? If he confesses "I love you", will she hate him?