The warm sunshine caressed every child with a lonely soul, but Niyi always felt that the light penetrated into the heart, making people with cold souls even more uncomfortable and suffering heartache. The K1314 train started slowly, and Noila Mo calmly recalled the joys and sorrows, tears and laughter of the past three years in her mind, and suddenly felt that nothing mattered anymore... They met each other at the end of the world and forgot each other at the end of the world. But it is destined to have no ending...