Chiisana Madougu Gishi no Rakuraku Seisan Kakumei: Nandemo Tsukureru Cheat Job de Daini no Jinsei Ouka suru

A man who ended his previous life as an orphan was reborn as baby Bernie, surrounded by a loving family. Granted the world's only cheat job, \[Magic Tool Engineer\], Bernie enjoys the best crafting life with his reliable companions and fluffy divine beast!

(Source: Starts Publishing, translated)