Izure Saikyou no Renkinjutsushi?

Possibly the Greatest Alchemist of All Time

Not even a hero, Takumi Iruma accidentally mixes, called to another world with a group of heroes. As compensation for mix-up, a goddess gives her the right to choose any skill that she wishes! Expecting a peaceful and calm life that has nothing to do with a fight or fighting, he seems to choose a boring creation skill. However, it turns out that “alchemy” is the most powerful skill that allows him to make everything from a holy sword to flying ships! This deception skill that he achieved unexpectedly turns him into a rich merchant and makes him unavoidable in the fight! A heartbreaking adventure story about the most powerful alchemist in another world!