That Time I Got Reincarnated as a Slime: Trinity in Tempest (転生したらスライムだった件 異聞～魔国暮らしのトリニティ～ tensei shitara slime datta ken: ibun ~ makoku kurashi no toriniti ~) is a side story manga by Tae Tono.
The new spinoff manga to the hit fantasy isekai series, developed by original creator Fuse! Against the odds, the little slime Rimuru has established his magical kingdom for all monsters, called Tempest, and it’s thriving. But three visitors, Phos the fox girl, Stella the dragon girl, and Nemu the winged girl, come to pay Tempest a visit, they’re stunned at just how quickly it’s developed. Don’t miss this new story in the world of Slime, just as the second season of the anime arrives!
Volumes and Chapters
- Summer & Fall 2020 Debuting Print Titles Revealed! - Kodansha USA