TheBlah
Summarized, a human gets reincarnated as a slime in a new fantasy-like universe => the slime has almost godlike-powers and uses that power to create a stable society of different types of monsters.
This sounds absolutely screwed-up (as it often happens in J-anime) but I admit that I absolutely loved the first 66% of the show (something like adapt + forge alliances + grow + learn + some complications).
Unluckily for the remaining 33% the story staggered and lost focus (same overall feeling as with "Bleach" if you know what I mean) - not sure what will happen after this first season (if a 2nd one will be produced).
p.s.: I think that some sound effects of explosions/lightnings/etc... are very unique to this anime.