Uncle in long johns.

According to Kugou Music query, "Rejuvenation Pill" composer: Luo Zhihong, singer: Uncle Qiuku, arranger: Niu Xia, release date: 2022-02-22, lyrics: How much bitterness surges in my heart Sweet and sour, the world is still changing. When I fall asleep, I still want to go back to the past. Time is too thin and my fingers are too wide.