What if our slime... Rimuru, summoned into Fate world? To be more exact, in Fate/Grand Order? Will he save humanity, or just want to relieve his boredom? *Read it if you want to know:^ #1 crossover = 3/4/2023 #1 tensura = 3/4/2023 #1 rimuru = 3/4/2023 #4 fgo = 3/4/2023