Cheat Kusushi no Slow Life Isekai ni Tsukurou Drugstore

Frustrated with his dead-end job and life, Reiji suddenly realized one day that he was transported to an alternate world. The skill he picks up there is the skill of making medicine. He is disappointed not to have a combat skill, but the potions he makes become popular overnight, and he opens a drugstore with the money he accumulated. And so, Reiji enjoys a slow life made possible with his skill, catering to clients who come to his store. (Source: ANN)