A 45-year-old, unimpressive salaryman is reborn in another world?! A man who lived a gray life with no hobbies, divorced, and no girlfriend, reincarnates into a knight's family in a remote area and makes full use of his abilities. Can he live a turbulent and "dreamy life in another world" in his second life? This work is a side story of "Trinitas series Trinitas Mundus ~The Story of the Holy Knight Ray~". Please note that as of Chapter 5, the content differs significantly from the impression given by the title. Also, the protagonist will have multiple wives, so please be aware if you dislike such settings. It has been published as a book by TO Books. The main story, "Trinitas Mundus ~The Story of the Holy Knight Ray~", has also been published as a book. In addition, "Dwarf Life ~Dreamy Alcohol Life in Another World~" is included as a short story in both books. It has been adapted into a manga on TO Books' Comic Corona.