After being murdered in his previous life and reborn in another world, Rainfinds himself once again caught in a fierce rivalry. Rising quickly to become a royal alchemist at a young age, he is exiled to a remote region by his noble enemies seeking revenge. There, he discovers the local alchemy branch in a state of disrepair. Determined to prove himself, Raine uses his skills and knowledge to rebuild the branch from the ground up, turning challenges into opportunities. Over time, he realizes that his true happiness lies not in power or titles but in creating change and finding new meaning in his life in that distant land.