There have been so many poor isekai anime over the past few years, that I have gotten to the point where I typically just ignore them. But I remember being recommended this, so that when it started airing I decided to watch it.
The story starts off pretty similar to many recent isekai stories. The bland protagonist who just goes day by day, with nothing eventful, no romantic life, etc suddenly finds himself transported (after he dies in this case) to another world. This time we have a twist though. He is reincarnated as a slime!
Some people will try to trick you into thinking this is different from all the other poorly written, OP protagonist, isekai stories. But it isn't. Even as a slime, he is OP as all hell. Everything just seems to work out for our protagonist. And what's more, after the beginning he gets a human form, and the slime bit becomes entirely irrelevant to the story. Oh, and of course, there is a cast of attractive female characters who are devoted to our protagonist.
There are no stakes. There is no tension. It falls into the same trap as all these rubbish isekai stories. That is, there is no reason for it to be an isekai story. The fact that the protagonist is a late 30s Japanese salary man, doesn't matter. It doesn't add anything to the story. The protagonist could've been a slime who had just so happened to be born in that cave, met that dragon, and gained some powers, and nothing would change. His personality when he was in our world, his name, his appearance, everything has changed. So why does it need to be isekai? The isekai here only serves as poorly written wish fulfillment and nothing else.
Here is an example of an isekai done well, before this recent isekai boom. Zero no Tsukaima. Don't get me wrong, I am not going to say that that is a good series, merely talking in regards to the isekai. The protagonist in Zero no Tsukaima, Saitou, is a guy from our world who suddenly finds himself summoned to an isekai. His goal, is to return back to our world. He doesn't want to be stuck in this isekai. He struggles with the cultural differences between the isekai and our world. He doesn't agree with/understand the class divisions. He acts differently from the characters in the world he goes to, he acts more like one of us.
There is none of that in Slime. It's just, hey watch me be OP in this world, and do whatever I want. So really, in terms of story it isn't that far removed from smartphone isekai or Death March.
Now with all that being said, what does set it apart from the other trashy isekai stories, is this anime actually has pretty good production values. The sound is good. The animation is good. The fights can be pretty entertaining.
If you don't want to think, and just want to watch a generic isekai anime, then this could be a good choice. It isn't doing anything unique or impressive, but it isn't overly offensive, and you could certainly do worse in isekai choices. If you watched Death March or one of those smartphone isekais, or are thinking about it (please don't), then you may as well watch this.
