One of Tensei Shitara Slime Datta Ken’s spinoff manga, The Ways of the Monster Nation, is cancelled after being on hiatus for over three years, due to health issues of the artist.
One of Tensei Shitara Slime Datta Ken’s spinoff manga, The Ways of the Monster Nation, is cancelled after being on hiatus for over three years, due to health issues of the artist.
The spinoff that got an anime was Tensura Nikki aka The Slime Diaries.
The protagonist of Monster Nation, Framea, actually has a cameo in Diaries manga, I forgot whether she made it to the anime or not.