Youxuan has been a weak and sickly child since she was a child. When she suffered from acute gastritis, an older brother saved her. With only the button that fell on his body, she persistently searched for him for many years, and as fate would have it, she met an equally persistent boy named Xu Yang. These three people who seemed to have nothing to do with each other were eventually closely linked together after experiencing various changes in their lives. The two boys later became both They left Youxuan one after another. After experiencing more and more painful separations, Youxuan chose to face these facts firmly and walk on bravely with their unfulfilled wishes. However, these pains had already tortured Youxuan to the point of becoming weak. Her already fragile physique, coupled with the painful blows one after another, made her finally choose to fall, until the most beautiful movement in her life appeared...