Isekai Yakkyoku

A young pharmacologist from Japan, who died due to overwork, is reborn in a medieval parallel Europe as a 10-year-old apprentice to a renowned royal court pharmacist. He possesses an extraordinary ability to perceive illness and manipulate materials. In a society where questionable medical practices are common and the pharmacist guild exploits the public with inflated prices, he opens a pharmacy with imperial recognition. Using modern pharmacological knowledge, he aims to eliminate deceptive practices and provide effective medicine to the general population. The story follows his efforts to apply his prior expertise to develop new medicines and improve the lives of those in this alternate world.