All Manga, Character Designs and Logos are © to their respective copyright holders.
One night, Eizo, a hapless corporate slave, saves a cat and gets hit by a truck. The cat which seems to be related to a parallel world, in return for his help, grants Eizo a skill of his wish and reincarnates him to another world. Eizo, who has craftsmanship as a hobby and wishes to use this skill for a living, chooses to be reincarnated as a blacksmith. And so he starts his life in another world as a blacksmith just as he wishes. However, Eizos creations are at another different level that will shake this new world.
Eizo Tanya is a middle-aged, very burned-out, software engineer. One night after working late, he throws himself in front of a speeding truck to save a cat. Although the cat survives, Eizo is not so lucky. In a spark of divine fate, the cat turns out to be a godlike being who offers him a second chance in another world! Should he be a legendary warrior? A noble king? Nope! All Eizo wants is a peaceful life making things for others, and what better way to do that than becoming a blacksmith? He does have one other wish: to live alongside a cute cat. His requests are granted but with a twist—Eizo's blacksmithing skills are so overpowered that they're practically cheat abilities. On top of that, the cat companion he wished for turns out to be a half-tiger girl! With so much commotion in this world, will Eizo be able to forge a quiet new life?
A young ex-adventurer named "The Alchemist" finds himself working as a consultant for weapons shops around town when suddenly he gets a letter that makes him return to his home town, what does the future have in store for this young Alchemist?