In a twist of fate, the life of a doctor of Korean medicine flips upside down in a single night. Doctor Han Lee is reborn as Lachiel, the sickly Crown Prince of the Empire of Magentano. Han is now armed with medical knowledge and skills found nowhere else in this new world -- but can he heal an empire and mend his own body at the same time? Witness his journey of self-exploration and resilience as he maps destiny's meridian, in pursuit of the acupoint that can reverse his fate.
(Source: LINE Webtoon)

Chronology of works in this universe:
"What a Bountiful Harvest, Demon Lord!" —> (7000 years later) "I Became the Chef of the Dragon King" —> (500 years later) "The World's Best Engineer" —> (300 years later) "Crown Prince Sells Medicine"

Original Novel:
Naver Series

Original Webtoon:
Naver Webtoon, Naver Series

Official Translations:
English, T.Chinese, S.Chinese