Wan Gui is a child who has never cried, made trouble, or argued at home since he was a child. Growing up among relatives, her life was peaceful and peaceful until she met him in her sophomore year of high school. She, who was depressed and introverted all day long and couldn't express herself, still couldn't keep him who had already taken root in her heart. She once said she would never see her again, until she actually met her ten years later...