Tensei shitara Slime Datta Ken: Kanwa - Veldora Nikki
English name: That Time I Got Reincarnated as a Slime: Tales - Veldora's Journal
Genres: Comedy, Fantasy
Type: Special, Episodes: 1
Aired: Mar 26, 2019
Studio: 8bit
Source: Manga
Rating: PG-13 - Teens 13 or older
Synopsis:
Ifrit, who has been trapped in Rimuru due to the latter's Predator skill, recaps events of the season while in a discussion with Veldora as they play Shogi.

(Source: Wikipedia)