Kyutei Kajishi no Shiawase na Nichijou follows Fake, a skilled blacksmith who finds happiness and appreciation with a loving duchess after escaping a toxic, abusive, and overworked life at a former court. He begins creating superior weapons in a new environment, while his ex-colleagues struggle with the fallout of losing his expertise. You can read the light novel at Shosetsuka ni Naro and find the manga on ComicWalker and Pixiv Comic.
宮廷鍛冶師の幸せな日常 ～ブラックな職場を追放されたが Kyutei Kajishi no Shiawase na Nichijou follows Fake,