The wraparound band of the light novel Tensei shitara Slime Datta Ken's (That Time I Got Reincarnated as a Slime) twelfth volume to ship on Friday revealed that the series will be receiving a TV anime adaptation for Fall 2018. More information will be revealed at a later date.
"Rimuru Tempest" is the new name of a slime in a fantasy world taken by a former 37-year-old human Satou Mikami after he is killed by a passing robber. Broken free from ordinary, stale past life, his fresh adventure in a fantasy world as a slime monster with unique abilities begins.
The series is written by Fuse with illustrations by Mitz Vah. It was published under the "Let's Be Novelists" website from 2013 to 2016. The series has also been published by Micro Magazine since 2014.
Yen Press licensed the novels since December last year under the English title That Time I Got Reincarnated as a Slime. The first volume debuted last month. Kodansha Comics USA began publishing the English manga version since August 2017. The fourth volume was recently released last month.
Update March 8
The official site and twitter account opened today listing the main staff members for the light novel adaptation. A preview teaser visual and video has also been uploaded. The series is scheduled to premiere for Fall 2018.