The Slime Diaries Anime

The Slime Diaries: That Time I Got Reincarnated as a Slime (転スラ日記: 転生したらスライムだった件 Tensura Nikki: Tensei Shitara Slime Datta Ken) is an upcoming spin-off anime series based on the manga of the same name. The anime is produced by 8-Bit. The series will begin airing in April 6, 2021. The anime was initially slated to premiere in January 2021 but was delayed due to COVID-19.

Synopsis
Take a look! It's in a Slime Book! Enjoy all of Rimuru and his friends' daily adventures in The Slime Diaries!