You are so unforgettable, floating in my heart, your smile, your every move, are all my marks. Probably every girl will encounter such a boy. He suddenly breaks into our lives, and then suddenly leaves. He disappears into our lives without leaving a trace. Although every time we think of him, we feel a little heartbroken, but we still keep him in our hearts. But suddenly one day you meet that boy again who has made you crazy about him countless times. What will you do? Will you continue to choose to pay attention silently, or take the initiative?