A young Japanese pharmacist who worked as a researcher died of overwork and turned into a medieval European world. Reincarnated as a 10-year-old pharmacist apprentice boy whose father is a renowned court pharmacist, he gained external skills such as the ability to see disease, the ability to create and erase substances. There is a society where dubious medical practices are carried out and effective medicine is not available to the common people. He was recognized by the emperor of time and opened a pharmacy in one corner of the city. In order to dispel the beliefs that prevail in the world and deliver truly effective medicines rooted in modern pharmacy to the hands of the common people. This is a story where a pharmacist boy of a drug discovery cheat makes full use of modern pharmacy knowledge from the previous life and helps a different world, but this time he lives a new life without overworking.
The country flourished and the people living in Ravenworth had happy and peaceful lives. But soon an unknown evil spreads a dark magic that shakes the lands. The dead rises and demons walks the earth. But desperate times shapes heroes and forms leaders who need to make sacrifices for their land and loved ones. This story pass through generations. Where one woman's destiny ends her sons adventure begins. Dark magic is faced by light, ice meets fire and friends unite to end the lives of demons, gouls and walking corpses. But our heroes won't make it far alone. Will the Elves, centaurs and fairies of Tanoria help them with their old knowledge and wisdom, or will the humans stand alone against the darkness?