Homonculus

In this world, humans are different. They have the ability to control the atoms among them and create what we all call "Magic". But the people doesn't fully understand the powers of atom they possess and lack the knowledge to use it in full power. ----------------- While in another world. Milo, a scientist, was about to make a scientific discovery. Through the combination of atoms, he created a prototype of a homonculus. But... Something weird happened. In the machine, the homonculus started to move eratically and his blood filled the tube. It costed the machine to overload and explode, causing him to die. He then woke up with with warm arms holding him. He was a baby again... and yet, it was not his world anymore. What will Milo do? It's obvious, with his knowledge of the periodic table, magic has never been easier!