Dandy Alchemist Master

Traveling to another world, learning skills from an old immortal monster, and being served by a mysterious and stunning maid. Once upon a time, Feichen was troubled by the fact that he did not have the exclusive cheating device for time travellers, and was disappointed by his useless magical and martial physique. However, he soon discovered that his own existence was the biggest bug in the other world. Put aside magic and fighting spirit. In this world, alchemy is the way to go!