Новая спин-офф манга серии "Tensei Shitara Slime Datta Ken", в центре которой, будет повелитель демонов Клейман.

Связанная манга:
1. О моём перерождении в слизь (2015)
2. О моём перерождении в слизь. Шагая по стране монстров. (2015)
3. Slime Diary That Time I Got Reincarnated as a Slime (2018)
4. That Time I Got Reincarnated as a Slime Another Story: Trinity of the Magic Kingdom (2019)
5. In regards to my reincarnation as a slime. Rimuru becomes small (2018)
6. That Time I Got Reincarnated (Again!) as a Workaholic Slime (2018)
7. That Time I Got Reincarnated as a Slime: Clayman Revenge (2022)