C227 Medical Margin
The first person who knew the old man wasn't Jun Linwan, but Lin Xiaoxun, who was very protective of her. At the age of seven, Jun Linwan was too ill to be cured.
The old man was a hermit and had a strange character. Although his medical skills were high, he could make people avoid him. The reason was simply because the old man's rules were too harsh.
He could have saved them