Looking at the woman with different breath, temperament and appearance, blue alum felt that her heart was shaking. The other side didn't seem to see him, just silently looked at a certain direction, but the fingers were unconsciously moving, which seemed to be playing the piano. But blue alum knew that this was the twelve notes he taught her. Seeing her skillful appearance, it was obviously already I have mastered it completely, and the speed is faster and faster. At the end of the day, even blue alum just feels the invisible melody. I can imagine that she has practiced these twelve notes many times, so she can practice them...