its extremely good for how small the studio is, yes the animation is lacking from time to time but there are moments wherein the animation peaks and makes the battle whole lot more electrifying, unfortunately they do suffer abit of focuing on the backgrounds too much but that was the same case as well with the manga. i cant blame them there the atmosphere for every episode was spot on the characters looked 1:1 from the manga but as mentioned previously they are only stills. but from ep 1 to 12 theres only 1 instance wherein it was extremely bad