Moi, quand je me réincarne en Slime (roman), tome 08
Fuse et Mitz Vah2016

It's festival time in Tempest, and this exuberant ectoplasm knows how to throw a party! After reconciling with Hinata and securing his title as demon lord, Rimuru's pulling out all the stops to hold a massive bash in his nation of monsters, along with a little help from his many friends and allies!

Titre original : Tensei Shitara Slime Datta Ken, book 08 (2016)