When everyone is studying, there may be a person whom he or she misses deeply but is afraid to meet. He or she may be shy and silent, and may not be like himself or herself. There are always children with unrequited love, and they always care about that person secretly or openly. If we could go back to the beginning, would we still be entangled in each other when we were young? Is the ending that belongs to you and me a warm happiness or an empty and extinguished hope...