This is a light novel I wrote a few years ago, about a guitarist and an indulgent teenager. There is no ups and downs in the plot, and the atmosphere between the lines is full of the sunset of the old days. Lao Mu has always been my true love. Maybe the boy who wandered the streets of the old days with his guitar on his back has matured and will even grow old one day, but love is the only ability we will never lose.