

In contrast anime adaptation leaves some mechanics, events hang there unexplained and confusing, like in the case of the last arc of the anime's first season and at the beginning of the second season, where suddenly bunch of characters pops up. The world and characters settings, including game mechanics are easier to follow in the books, because it makes effort to explain them properly. Each volume expands the world and characters in it. Every book ends usually in some final battle. There is a lot of characters in the Nazarick and outside. Anime rushes through the source material also by omitting some of the world/character building and minor characters. The books tell various character perspectives and details that are omitted in the anime. The light novel is source material for the anime adaptation.

For a light novel the books are actually pretty thick and large. Overlord is one of those that takes rather interesting approach with non-human character(s) from a game put into a different world with all the end-game gear and quirks they had. There are various approaches to this genre from straightforward harem silliness to more dramatic with a twist. Overlord is one of the trending isekai (i.e. In general terms as far as the story is concerned it’s an interesting fantasy/action story for sure. I didn’t read that much books in Japanese to make qualitative comparison. Overlord likely isn‘t a masterpiece of literature. I’m going to try to keep the review up to date after reading each book. It’s the hardest reading in Japanese I’ve done so far, but on that topic more in the language section. I’ve finished the second book and I’m reading the third volume.
