That Time I Got Reincarnated as a Slime Another Story: Trinity of the Magic Kingdom
Tensei shitara Slime datta Ken Ibun: Makuni Kurashi no Trinity
ON-GOING
Fuse
Tono Tae
Right(→) to Left(←)
Manga Description

The manga centers on Phos, a girl from the Beast Kingdom of Eurazania. Phos goes to Tempest on secret orders from Demon Lord Carrion.