C265 Endoscope

"Grandpa, my back is acting up again—it's really sore. Could you give it a quick rub? It's been days since you last did, and I'm starting to feel all stiff!" The elderly man shrugged off his coat and stretched out on the bench, kneading his lower back.

"A massage? Isn't that Dr. Xue's job?" Zhou Pu was taken aback, talking to himself in confusion