That Time I Got Reincarnated as a Slime Vol. 1 (GC Novels)

A humble slime monster, newly woken in a cave full of magic crystals, is all that remains of an ordinary corporate worker killed on the street. This light novel marks the very start of Rimuru Tempest's legendary journey in That Time I Got Reincarnated as a Slime.

Published under the GC Novels label, this is volume 1 in the original Japanese text. The book is brand new, unused condition.

The series remains one of the most famous modern isekai adventures, following a simple slime as he builds a powerful monster kingdom.