Kusuriya no Hitorigoto

Briefly about Kusuriya no Hitorigoto manga:

 Mao Mao, a young woman trained in the art of herbal medicine, is forced to work as a lowly servant in the inner palace. When she breaks a “curse” afflicting the imperial heirs, Mao Mao attracts the attention of handsome eunuch Jinshi and is promoted to attendant food taster. But Jinshi has other plans for Mao Mao, and soon she is back to brewing potions and solving mysteries.