The story is set on ancient China.
Maomao the Mc got kidnapped while looking for medical herbs and found herself sold in the imperial court/palace. While working, she heard some rumors about the children of the emperor being cursed as they die right after birth, but after hearing the symptoms of the 2 high consorts, she speculated that the death of the children wasn't a curse at all, and that is the start of her utilizing her skills in apothecary to help the imperial court.
Rather than being just a romance manga its mostly focused on mystery within the imperial palace with a slow-burn type of romance between maomao and jinshi
The novel currently have 14 volumes with 10 of it already having a official translation.
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Kusuriya no Hitorigoto