immortality path: from the blind man at the pharmacy

Song Cheng transmigrated and became a blind errand boy in a medicine shop in a remote town.
Fortunately, after he found a wife who did not disdain him, his "Golden Finger" also followed.
Demons and ghosts roamed the Chaotic World, Profound Techniques went with Occult Sciences, Divine Weapons dazzled the cosmos, the Yin and Yang were inexhaustible.
Song Cheng did not seek to dominate as a king, he simply wished to live his life well.
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This is the story of a person with Longevity, who walked through long years and witnessed innumerable Dynasties.