Roots had already released three chapters of the manga on the Nico Nico Seiga website in October.
The manga centers on a boy who is transported to a fantasy world, and goes on adventures there.
The first 2018 issue of Akita Shoten’s Young Champion Retsu magazine revealed on Tuesday that Roots will publish his Isekai no Toilet de Dai o Suru (Taking a Crap in a Fantasy World Toilet) manga in the magazine’s next issue on January 16.
The Takamiya Nasuno Desu! manga launched in Comic Earth Star in 2014, and ended in 2015.