Walking on the once-familiar tree-lined path that is no longer familiar, I can see in front of my eyes those years when we were running, laughing, and touching the old trees that witnessed our growth step by step. My thoughts were flying... I turned my head and stared blankly at the person opposite. I had not seen him for many years, but I had already lost the courage to smile. "Long time no see...", "Well, long time no see..."